From cf245ba65f48d1e327931670b13329c216f14279 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Mon, 26 Aug 2024 11:14:38 +0000
Subject: [PATCH 1/4] Bump scipy from 1.14.0 to 1.14.1

Bumps [scipy](https://github.com/scipy/scipy) from 1.14.0 to 1.14.1.
- [Release notes](https://github.com/scipy/scipy/releases)
- [Commits](https://github.com/scipy/scipy/compare/v1.14.0...v1.14.1)

---
updated-dependencies:
- dependency-name: scipy
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 3121316..27ce6b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ Package = "https://pypi.org/project/agility/"
 strict = [
     "numpy==2.0.1",
     "pandas==2.2.2",
-    "scipy==1.14.0",
+    "scipy==1.14.1",
     "seaborn==0.13.2",
 ]
 tests = [

From f777f226240740f6ec5a82bc2f4fac94668f6bca Mon Sep 17 00:00:00 2001
From: Alexander Bonkowski <alexander.bonkowski@rwth-aachen.de>
Date: Tue, 27 Aug 2024 10:29:16 +0200
Subject: [PATCH 2/4] Fix notebook linting issues

---
 examples/00_Introduction.ipynb                |  21 +-
 .../03_mpi/mimimise_convert_backend.ipynb     | 496 +++++++++---------
 .../03_mpi/mimimise_convert_backend2.ipynb    |  12 +-
 examples/03_mpi/mpi_test.ipynb                | 202 ++-----
 pyproject.toml                                |   3 +
 5 files changed, 309 insertions(+), 425 deletions(-)
 mode change 100755 => 100644 examples/03_mpi/mpi_test.ipynb

diff --git a/examples/00_Introduction.ipynb b/examples/00_Introduction.ipynb
index 8b13789..cc719a3 100644
--- a/examples/00_Introduction.ipynb
+++ b/examples/00_Introduction.ipynb
@@ -1 +1,20 @@
-
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# TODO:"
+   ]
+  }
+ ],
+ "metadata": {
+  "language_info": {
+   "name": "python"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/examples/03_mpi/mimimise_convert_backend.ipynb b/examples/03_mpi/mimimise_convert_backend.ipynb
index 9ecee94..52c0c75 100644
--- a/examples/03_mpi/mimimise_convert_backend.ipynb
+++ b/examples/03_mpi/mimimise_convert_backend.ipynb
@@ -1,247 +1,249 @@
-{
- "cells": [
-  {
-   "cell_type": "markdown",
-   "id": "02650c3f",
-   "metadata": {},
-   "source": [
-    "1. Start interacitve slurm session, e.g.: \"srun --account rwth0773 --job-name \"InteractiveJob\" --cpus-per-task 4 --mem-per-cpu 1500 --time 12:00:00 --pty zsh\"\n",
-    "2. Start jupyter notebook in this session.\n",
-    "3. Start new ssh session with douple forwarding, e.g.: \"ssh -t -t login18-2 -L 8891:localhost:8891 ssh ncm0130 -L 8891:localhost:8891\"\n",
-    "4. Have fun."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 1,
-   "id": "7cde15cb",
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "0"
-      ]
-     },
-     "execution_count": 1,
-     "metadata": {},
-     "output_type": "execute_result"
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "2021-12-01 10:04:31.506 [IPClusterStart] Starting ipcluster with [daemonize=False]\n",
-      "2021-12-01 10:04:33.128 [IPClusterStart] Starting 4 engines with <class 'ipyparallel.cluster.launcher.MPIEngineSetLauncher'>\n",
-      "2021-12-01 10:05:03.175 [IPClusterStart] Engines appear to have started successfully\n"
-     ]
-    }
-   ],
-   "source": [
-    "import os\n",
-    "\n",
-    "os.system(\"ipcluster start --engines=mpi --profile=mpi -n 4 &\")"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "id": "211502d7",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "profile: mpi\n",
-      "IDs: [0, 1, 2, 3]\n"
-     ]
-    }
-   ],
-   "source": [
-    "import ipyparallel\n",
-    "\n",
-    "cluster = ipyparallel.Client(engine=\"mpi\", profile=\"mpi\")\n",
-    "cluster.block = True\n",
-    "print('profile:', cluster.profile)\n",
-    "print(\"IDs:\", cluster.ids)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 3,
-   "id": "eb485bbb",
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:1] Proc 1 out of 4 procs has\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:2] Proc 2 out of 4 procs has\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:0] Proc 0 out of 4 procs has\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:3] Proc 3 out of 4 procs has\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
-   "source": [
-    "%%px\n",
-    "from mpi4py import MPI\n",
-    "me = MPI.COMM_WORLD.Get_rank()\n",
-    "nprocs = MPI.COMM_WORLD.Get_size()\n",
-    "print(\"Proc %d out of %d procs has\" % (me,nprocs))"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 4,
-   "id": "53f0f842",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "%%px\n",
-    "import numpy as np\n",
-    "from agility.analysis import GBStructure"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 9,
-   "id": "490ce9d6",
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:0] LAMMPS output is captured by PyLammps wrapper\n",
-       "LAMMPS (29 Sep 2021 - Update 1)\n",
-       "  using 1 OpenMP thread(s) per MPI task\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:3] LAMMPS output is captured by PyLammps wrapper\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:2] LAMMPS output is captured by PyLammps wrapper\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/plain": [
-       "[stdout:1] LAMMPS output is captured by PyLammps wrapper\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "a8635c51b5244ca3bf0a153e4b640f0a",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "%px:   0%|          | 0/4 [00:00<?, ?tasks/s]"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
-   "source": [
-    "%%px\n",
-    "gb = GBStructure('lammps', 'LSF_supercell_md3.lmp', pair_style='buck/coul/long 12', kspace_style='pppm 1.0e-4')\n",
-    "gb.pylmp.thermo(5)\n",
-    "gb.minimise()"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "233ef59b",
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "4f751db873e64ae4aa97176679e7df40",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "%px:   0%|          | 0/4 [00:00<?, ?tasks/s]"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
-   "source": [
-    "%%px\n",
-    "gb.pylmp.write_data(\"LSF_supercell_md3_min.lmp\")"
-   ]
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.9.6"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 5
-}
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "02650c3f",
+   "metadata": {},
+   "source": [
+    "1. Start interacitve slurm session, e.g.: \"srun --account rwth0773 --job-name \"InteractiveJob\" --cpus-per-task 4 --mem-per-cpu 1500 --time 12:00:00 --pty zsh\"\n",
+    "2. Start jupyter notebook in this session.\n",
+    "3. Start new ssh session with douple forwarding, e.g.: \"ssh -t -t login18-2 -L 8891:localhost:8891 ssh ncm0130 -L 8891:localhost:8891\"\n",
+    "4. Have fun."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "7cde15cb",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    },
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "2021-12-01 10:04:31.506 [IPClusterStart] Starting ipcluster with [daemonize=False]\n",
+      "2021-12-01 10:04:33.128 [IPClusterStart] Starting 4 engines with <class 'ipyparallel.cluster.launcher.MPIEngineSetLauncher'>\n",
+      "2021-12-01 10:05:03.175 [IPClusterStart] Engines appear to have started successfully\n"
+     ]
+    }
+   ],
+   "source": [
+    "from __future__ import annotations\n",
+    "\n",
+    "import os\n",
+    "\n",
+    "os.system(\"ipcluster start --engines=mpi --profile=mpi -n 4 &\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "211502d7",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "profile: mpi\n",
+      "IDs: [0, 1, 2, 3]\n"
+     ]
+    }
+   ],
+   "source": [
+    "import ipyparallel\n",
+    "\n",
+    "cluster = ipyparallel.Client(engine=\"mpi\", profile=\"mpi\")\n",
+    "cluster.block = True\n",
+    "print(\"profile:\", cluster.profile)\n",
+    "print(\"IDs:\", cluster.ids)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "eb485bbb",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:1] Proc 1 out of 4 procs has\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:2] Proc 2 out of 4 procs has\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:0] Proc 0 out of 4 procs has\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:3] Proc 3 out of 4 procs has\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "%%px\n",
+    "from mpi4py import MPI\n",
+    "me = MPI.COMM_WORLD.Get_rank()\n",
+    "nprocs = MPI.COMM_WORLD.Get_size()\n",
+    "print(\"Proc %d out of %d procs has\" % (me,nprocs))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "53f0f842",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%%px\n",
+    "import numpy as np\n",
+    "from agility.analysis import GBStructure"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "id": "490ce9d6",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:0] LAMMPS output is captured by PyLammps wrapper\n",
+       "LAMMPS (29 Sep 2021 - Update 1)\n",
+       "  using 1 OpenMP thread(s) per MPI task\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:3] LAMMPS output is captured by PyLammps wrapper\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:2] LAMMPS output is captured by PyLammps wrapper\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/plain": [
+       "[stdout:1] LAMMPS output is captured by PyLammps wrapper\n"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "a8635c51b5244ca3bf0a153e4b640f0a",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "%px:   0%|          | 0/4 [00:00<?, ?tasks/s]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "%%px\n",
+    "gb = GBStructure('lammps', 'LSF_supercell_md3.lmp', pair_style='buck/coul/long 12', kspace_style='pppm 1.0e-4')\n",
+    "gb.pylmp.thermo(5)\n",
+    "gb.minimise()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "233ef59b",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "4f751db873e64ae4aa97176679e7df40",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "%px:   0%|          | 0/4 [00:00<?, ?tasks/s]"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "%%px\n",
+    "gb.pylmp.write_data(\"LSF_supercell_md3_min.lmp\")"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/examples/03_mpi/mimimise_convert_backend2.ipynb b/examples/03_mpi/mimimise_convert_backend2.ipynb
index 4b46e10..2d1c8f3 100644
--- a/examples/03_mpi/mimimise_convert_backend2.ipynb
+++ b/examples/03_mpi/mimimise_convert_backend2.ipynb
@@ -29,6 +29,8 @@
     }
    ],
    "source": [
+    "from __future__ import annotations\n",
+    "\n",
     "import os\n",
     "\n",
     "os.system(\"ipcluster start --engines=mpi --profile=mpi -n 4 &\")"
@@ -54,7 +56,7 @@
     "\n",
     "cluster = ipyparallel.Client(engines=\"mpi\", profile=\"mpi\")\n",
     "cluster.block = True\n",
-    "print('profile:', cluster.profile)\n",
+    "print(\"profile:\", cluster.profile)\n",
     "print(\"IDs:\", cluster.ids)"
    ]
   },
@@ -197,7 +199,7 @@
     {
      "data": {
       "text/plain": [
-       "\u001B[0;31mOut[2:3]: \u001B[0m\n",
+       "\u001b[0;31mOut[2:3]: \u001b[0m\n",
        "['System init for write_data ...',\n",
        " 'PPPM initialization ...',\n",
        " '  using 12-bit tables for long-range coulomb (src/kspace.cpp:340)',\n",
@@ -241,7 +243,7 @@
     {
      "data": {
       "text/plain": [
-       "\u001B[0;31mOut[0:3]: \u001B[0m\n",
+       "\u001b[0;31mOut[0:3]: \u001b[0m\n",
        "['System init for write_data ...',\n",
        " 'PPPM initialization ...',\n",
        " '  using 12-bit tables for long-range coulomb (src/kspace.cpp:340)',\n",
@@ -285,7 +287,7 @@
     {
      "data": {
       "text/plain": [
-       "\u001B[0;31mOut[3:3]: \u001B[0m\n",
+       "\u001b[0;31mOut[3:3]: \u001b[0m\n",
        "['System init for write_data ...',\n",
        " 'PPPM initialization ...',\n",
        " '  using 12-bit tables for long-range coulomb (src/kspace.cpp:340)',\n",
@@ -329,7 +331,7 @@
     {
      "data": {
       "text/plain": [
-       "\u001B[0;31mOut[1:3]: \u001B[0m\n",
+       "\u001b[0;31mOut[1:3]: \u001b[0m\n",
        "['System init for write_data ...',\n",
        " 'PPPM initialization ...',\n",
        " '  using 12-bit tables for long-range coulomb (src/kspace.cpp:340)',\n",
diff --git a/examples/03_mpi/mpi_test.ipynb b/examples/03_mpi/mpi_test.ipynb
old mode 100755
new mode 100644
index 64fd53b..0694adf
--- a/examples/03_mpi/mpi_test.ipynb
+++ b/examples/03_mpi/mpi_test.ipynb
@@ -1,4 +1,3 @@
-<<<<<<< HEAD
 {
  "cells": [
   {
@@ -17,7 +16,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "955808c2b5b94e86ba18e650e9dae082",
+       "model_id": "86e3ac8b5a16405783756d02f8bb7fde",
        "version_major": 2,
        "version_minor": 0
       },
@@ -32,15 +31,18 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Stopping engine(s): 1637935075\n",
-      "engine set stopped 1637935075: {'engines': {'0': {'exit_code': 0, 'pid': 23507, 'identifier': '0'}, '1': {'exit_code': 0, 'pid': 23509, 'identifier': '1'}, '2': {'exit_code': 0, 'pid': 23511, 'identifier': '2'}, '3': {'exit_code': 0, 'pid': 23513, 'identifier': '3'}, '4': {'exit_code': 0, 'pid': 23515, 'identifier': '4'}, '5': {'exit_code': 0, 'pid': 23517, 'identifier': '5'}, '6': {'exit_code': 0, 'pid': 23519, 'identifier': '6'}, '7': {'exit_code': 0, 'pid': 23521, 'identifier': '7'}, '8': {'exit_code': 0, 'pid': 23523, 'identifier': '8'}, '9': {'exit_code': 0, 'pid': 23526, 'identifier': '9'}, '10': {'exit_code': 0, 'pid': 23528, 'identifier': '10'}, '11': {'exit_code': 0, 'pid': 23530, 'identifier': '11'}, '12': {'exit_code': 0, 'pid': 23532, 'identifier': '12'}, '13': {'exit_code': 0, 'pid': 23534, 'identifier': '13'}, '14': {'exit_code': 0, 'pid': 23537, 'identifier': '14'}, '15': {'exit_code': 0, 'pid': 23569, 'identifier': '15'}, '16': {'exit_code': 0, 'pid': 23577, 'identifier': '16'}, '17': {'exit_code': 0, 'pid': 23583, 'identifier': '17'}, '18': {'exit_code': 0, 'pid': 23585, 'identifier': '18'}, '19': {'exit_code': 0, 'pid': 23587, 'identifier': '19'}, '20': {'exit_code': 0, 'pid': 23590, 'identifier': '20'}, '21': {'exit_code': 0, 'pid': 23595, 'identifier': '21'}, '22': {'exit_code': 0, 'pid': 23597, 'identifier': '22'}, '23': {'exit_code': 0, 'pid': 23599, 'identifier': '23'}, '24': {'exit_code': 0, 'pid': 23642, 'identifier': '24'}, '25': {'exit_code': 0, 'pid': 23668, 'identifier': '25'}, '26': {'exit_code': 0, 'pid': 23673, 'identifier': '26'}, '27': {'exit_code': 0, 'pid': 23675, 'identifier': '27'}, '28': {'exit_code': 0, 'pid': 23677, 'identifier': '28'}, '29': {'exit_code': 0, 'pid': 23679, 'identifier': '29'}, '30': {'exit_code': 0, 'pid': 23681, 'identifier': '30'}, '31': {'exit_code': 0, 'pid': 23683, 'identifier': '31'}, '32': {'exit_code': 0, 'pid': 23686, 'identifier': '32'}, '33': {'exit_code': 0, 'pid': 23691, 'identifier': '33'}, '34': {'exit_code': 0, 'pid': 23693, 'identifier': '34'}, '35': {'exit_code': 0, 'pid': 23695, 'identifier': '35'}, '36': {'exit_code': 0, 'pid': 23697, 'identifier': '36'}, '37': {'exit_code': 0, 'pid': 23699, 'identifier': '37'}, '38': {'exit_code': 0, 'pid': 23701, 'identifier': '38'}, '39': {'exit_code': 0, 'pid': 23704, 'identifier': '39'}, '40': {'exit_code': 0, 'pid': 23709, 'identifier': '40'}, '41': {'exit_code': 0, 'pid': 23711, 'identifier': '41'}, '42': {'exit_code': 0, 'pid': 23713, 'identifier': '42'}, '43': {'exit_code': 0, 'pid': 23715, 'identifier': '43'}, '44': {'exit_code': 0, 'pid': 23717, 'identifier': '44'}, '45': {'exit_code': 0, 'pid': 23719, 'identifier': '45'}, '46': {'exit_code': 0, 'pid': 23721, 'identifier': '46'}, '47': {'exit_code': 0, 'pid': 23723, 'identifier': '47'}}, 'exit_code': 0}\n",
+      "Stopping engine(s): 1637855022\n",
+      "engine set stopped 1637855022: {'engines': {'0': {'exit_code': 0, 'pid': 218702, 'identifier': '0'}, '1': {'exit_code': 0, 'pid': 218705, 'identifier': '1'}, '2': {'exit_code': 0, 'pid': 218707, 'identifier': '2'}, '3': {'exit_code': 0, 'pid': 218709, 'identifier': '3'}, '4': {'exit_code': 0, 'pid': 218711, 'identifier': '4'}, '5': {'exit_code': 0, 'pid': 218713, 'identifier': '5'}, '6': {'exit_code': 0, 'pid': 218719, 'identifier': '6'}, '7': {'exit_code': 0, 'pid': 218723, 'identifier': '7'}, '8': {'exit_code': 0, 'pid': 218733, 'identifier': '8'}, '9': {'exit_code': 0, 'pid': 218739, 'identifier': '9'}, '10': {'exit_code': 0, 'pid': 218745, 'identifier': '10'}, '11': {'exit_code': 0, 'pid': 218751, 'identifier': '11'}, '12': {'exit_code': 0, 'pid': 218759, 'identifier': '12'}, '13': {'exit_code': 0, 'pid': 218765, 'identifier': '13'}, '14': {'exit_code': 0, 'pid': 218768, 'identifier': '14'}, '15': {'exit_code': 0, 'pid': 218780, 'identifier': '15'}, '16': {'exit_code': 0, 'pid': 218796, 'identifier': '16'}, '17': {'exit_code': 0, 'pid': 218811, 'identifier': '17'}, '18': {'exit_code': 0, 'pid': 218818, 'identifier': '18'}, '19': {'exit_code': 0, 'pid': 218834, 'identifier': '19'}, '20': {'exit_code': 0, 'pid': 218847, 'identifier': '20'}, '21': {'exit_code': 0, 'pid': 218863, 'identifier': '21'}, '22': {'exit_code': 0, 'pid': 218886, 'identifier': '22'}, '23': {'exit_code': 0, 'pid': 218906, 'identifier': '23'}, '24': {'exit_code': 0, 'pid': 218922, 'identifier': '24'}, '25': {'exit_code': 0, 'pid': 218938, 'identifier': '25'}, '26': {'exit_code': 0, 'pid': 218954, 'identifier': '26'}, '27': {'exit_code': 0, 'pid': 218971, 'identifier': '27'}, '28': {'exit_code': 0, 'pid': 218985, 'identifier': '28'}, '29': {'exit_code': 0, 'pid': 219004, 'identifier': '29'}, '30': {'exit_code': 0, 'pid': 219020, 'identifier': '30'}, '31': {'exit_code': 0, 'pid': 219036, 'identifier': '31'}, '32': {'exit_code': 0, 'pid': 219052, 'identifier': '32'}, '33': {'exit_code': 0, 'pid': 219063, 'identifier': '33'}, '34': {'exit_code': 0, 'pid': 219083, 'identifier': '34'}, '35': {'exit_code': 0, 'pid': 219104, 'identifier': '35'}, '36': {'exit_code': 0, 'pid': 219124, 'identifier': '36'}, '37': {'exit_code': 0, 'pid': 219141, 'identifier': '37'}, '38': {'exit_code': 0, 'pid': 219161, 'identifier': '38'}, '39': {'exit_code': 0, 'pid': 219184, 'identifier': '39'}, '40': {'exit_code': 0, 'pid': 219196, 'identifier': '40'}, '41': {'exit_code': 0, 'pid': 219213, 'identifier': '41'}, '42': {'exit_code': 0, 'pid': 219229, 'identifier': '42'}, '43': {'exit_code': 0, 'pid': 219248, 'identifier': '43'}, '44': {'exit_code': 0, 'pid': 219267, 'identifier': '44'}, '45': {'exit_code': 0, 'pid': 219283, 'identifier': '45'}, '46': {'exit_code': 0, 'pid': 219292, 'identifier': '46'}, '47': {'exit_code': 0, 'pid': 219314, 'identifier': '47'}}, 'exit_code': 0}\n",
       "Stopping controller\n",
-      "Controller stopped: {'exit_code': 0, 'pid': 23475, 'identifier': 'ipcontroller-1637935074-wzbi-23458'}\n"
+      "Controller stopped: {'exit_code': 0, 'pid': 218649, 'identifier': 'ipcontroller-1637855021-gfdv-218555'}\n"
      ]
     }
    ],
    "source": [
+    "from __future__ import annotations\n",
+    "\n",
     "import time\n",
+    "\n",
     "import ipyparallel as ipp\n",
     "\n",
     "task_durations = [1] * 25\n",
@@ -73,7 +75,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "32ff2d3a4321404cbea1155e3efa12c8",
+       "model_id": "7b55f85ec1184a43aac3c2ef3800acb8",
        "version_major": 2,
        "version_minor": 0
       },
@@ -88,27 +90,39 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Hello World from rank 0. total ranks=4\n",
-      "Hello World from rank 1. total ranks=4\n",
-      "Hello World from rank 2. total ranks=4\n",
-      "Hello World from rank 3. total ranks=4\n",
-      "Stopping engine(s): 1637935111\n",
-      "engine set stopped 1637935111: {'exit_code': 0, 'pid': 24424, 'identifier': 'ipengine-1637935109-8rzo-1637935111-23458'}\n",
-      "Stopping controller\n",
-      "Controller stopped: {'exit_code': 0, 'pid': 24395, 'identifier': 'ipcontroller-1637935109-8rzo-23458'}\n"
+      "engine set stopped 1637855042: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}\n"
+     ]
+    },
+    {
+     "ename": "EngineError",
+     "evalue": "Engine set stopped: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
+      "\u001b[0;31mEngineError\u001b[0m                               Traceback (most recent call last)",
+      "\u001b[0;32m/tmp/ab542498/login18-2_104474/ipykernel_218555/1896274520.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      7\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      8\u001b[0m \u001b[0;31m# request an MPI cluster with 4 engines\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 9\u001b[0;31m \u001b[0;32mwith\u001b[0m \u001b[0mipp\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mCluster\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mengines\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;34m'mpi'\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mn\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mrc\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     10\u001b[0m     \u001b[0;31m# get a broadcast_view on the cluster which is best\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     11\u001b[0m     \u001b[0;31m# suited for MPI style computation\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/cluster/cluster.py\u001b[0m in \u001b[0;36m__enter__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    873\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    874\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__enter__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 875\u001b[0;31m         \u001b[0mclient\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_context_client\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mstart_and_connect_sync\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    876\u001b[0m         \u001b[0;32mreturn\u001b[0m \u001b[0mclient\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    877\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001b[0m in \u001b[0;36m_synchronize\u001b[0;34m(self, async_f, *args, **kwargs)\u001b[0m\n\u001b[1;32m     68\u001b[0m             \u001b[0mloop\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     69\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mloop\u001b[0m \u001b[0;32mand\u001b[0m \u001b[0mloop\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mis_running\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 70\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_in_thread\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0masync_f\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     71\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     72\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0m_asyncio_run\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0masync_f\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001b[0m in \u001b[0;36m_in_thread\u001b[0;34m(self, async_f, *args, **kwargs)\u001b[0m\n\u001b[1;32m     53\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     54\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_thread_loop\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0madd_callback\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mthread_callback\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 55\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0mfuture\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mresult\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     56\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     57\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m_synchronize\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0masync_f\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;32m/rwthfs/rz/SW/UTIL.common/Python/3.9.1/x86_64/lib/python3.9/concurrent/futures/_base.py\u001b[0m in \u001b[0;36mresult\u001b[0;34m(self, timeout)\u001b[0m\n\u001b[1;32m    438\u001b[0m                 \u001b[0;32mraise\u001b[0m \u001b[0mCancelledError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    439\u001b[0m             \u001b[0;32melif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_state\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mFINISHED\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 440\u001b[0;31m                 \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m__get_result\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    441\u001b[0m             \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    442\u001b[0m                 \u001b[0;32mraise\u001b[0m \u001b[0mTimeoutError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;32m/rwthfs/rz/SW/UTIL.common/Python/3.9.1/x86_64/lib/python3.9/concurrent/futures/_base.py\u001b[0m in \u001b[0;36m__get_result\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    387\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__get_result\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    388\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_exception\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 389\u001b[0;31m             \u001b[0;32mraise\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_exception\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    390\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    391\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_result\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001b[0m in \u001b[0;36mthread_callback\u001b[0;34m()\u001b[0m\n\u001b[1;32m     48\u001b[0m         \u001b[0;32masync\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mthread_callback\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     49\u001b[0m             \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 50\u001b[0;31m                 \u001b[0mfuture\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mset_result\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;32mawait\u001b[0m \u001b[0masync_f\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     51\u001b[0m             \u001b[0;32mexcept\u001b[0m \u001b[0mException\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0me\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     52\u001b[0m                 \u001b[0mfuture\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mset_exception\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0me\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
+      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/cluster/cluster.py\u001b[0m in \u001b[0;36mstart_and_connect\u001b[0;34m(self, n)\u001b[0m\n\u001b[1;32m    728\u001b[0m         \u001b[0mclient\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;32mawait\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mconnect_client\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    729\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mn\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 730\u001b[0;31m             await asyncio.wrap_future(\n\u001b[0m\u001b[1;32m    731\u001b[0m                 \u001b[0mclient\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mwait_for_engines\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mn\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mblock\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mFalse\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtimeout\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mengine_timeout\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    732\u001b[0m             )\n",
+      "\u001b[0;31mEngineError\u001b[0m: Engine set stopped: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}"
      ]
     }
    ],
    "source": [
     "import ipyparallel as ipp\n",
     "\n",
-    "def mpi_example():\n",
+    "\n",
+    "def mpi_example() -> str:  # noqa: D103\n",
     "    from mpi4py import MPI\n",
     "    comm = MPI.COMM_WORLD\n",
     "    return f\"Hello World from rank {comm.Get_rank()}. total ranks={comm.Get_size()}\"\n",
     "\n",
     "# request an MPI cluster with 4 engines\n",
-    "with ipp.Cluster(engines='mpi', n=4) as rc:\n",
+    "with ipp.Cluster(engines=\"mpi\", n=4) as rc:\n",
     "    # get a broadcast_view on the cluster which is best\n",
     "    # suited for MPI style computation\n",
     "    view = rc.broadcast_view()\n",
@@ -142,159 +156,3 @@
  "nbformat": 4,
  "nbformat_minor": 5
 }
-=======
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": 1,
-   "id": "1f70b392",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Starting 48 engines with <class 'ipyparallel.cluster.launcher.LocalEngineSetLauncher'>\n"
-     ]
-    },
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "86e3ac8b5a16405783756d02f8bb7fde",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "sleep:   0%|          | 0/25 [00:00<?, ?tasks/s]"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Stopping engine(s): 1637855022\n",
-      "engine set stopped 1637855022: {'engines': {'0': {'exit_code': 0, 'pid': 218702, 'identifier': '0'}, '1': {'exit_code': 0, 'pid': 218705, 'identifier': '1'}, '2': {'exit_code': 0, 'pid': 218707, 'identifier': '2'}, '3': {'exit_code': 0, 'pid': 218709, 'identifier': '3'}, '4': {'exit_code': 0, 'pid': 218711, 'identifier': '4'}, '5': {'exit_code': 0, 'pid': 218713, 'identifier': '5'}, '6': {'exit_code': 0, 'pid': 218719, 'identifier': '6'}, '7': {'exit_code': 0, 'pid': 218723, 'identifier': '7'}, '8': {'exit_code': 0, 'pid': 218733, 'identifier': '8'}, '9': {'exit_code': 0, 'pid': 218739, 'identifier': '9'}, '10': {'exit_code': 0, 'pid': 218745, 'identifier': '10'}, '11': {'exit_code': 0, 'pid': 218751, 'identifier': '11'}, '12': {'exit_code': 0, 'pid': 218759, 'identifier': '12'}, '13': {'exit_code': 0, 'pid': 218765, 'identifier': '13'}, '14': {'exit_code': 0, 'pid': 218768, 'identifier': '14'}, '15': {'exit_code': 0, 'pid': 218780, 'identifier': '15'}, '16': {'exit_code': 0, 'pid': 218796, 'identifier': '16'}, '17': {'exit_code': 0, 'pid': 218811, 'identifier': '17'}, '18': {'exit_code': 0, 'pid': 218818, 'identifier': '18'}, '19': {'exit_code': 0, 'pid': 218834, 'identifier': '19'}, '20': {'exit_code': 0, 'pid': 218847, 'identifier': '20'}, '21': {'exit_code': 0, 'pid': 218863, 'identifier': '21'}, '22': {'exit_code': 0, 'pid': 218886, 'identifier': '22'}, '23': {'exit_code': 0, 'pid': 218906, 'identifier': '23'}, '24': {'exit_code': 0, 'pid': 218922, 'identifier': '24'}, '25': {'exit_code': 0, 'pid': 218938, 'identifier': '25'}, '26': {'exit_code': 0, 'pid': 218954, 'identifier': '26'}, '27': {'exit_code': 0, 'pid': 218971, 'identifier': '27'}, '28': {'exit_code': 0, 'pid': 218985, 'identifier': '28'}, '29': {'exit_code': 0, 'pid': 219004, 'identifier': '29'}, '30': {'exit_code': 0, 'pid': 219020, 'identifier': '30'}, '31': {'exit_code': 0, 'pid': 219036, 'identifier': '31'}, '32': {'exit_code': 0, 'pid': 219052, 'identifier': '32'}, '33': {'exit_code': 0, 'pid': 219063, 'identifier': '33'}, '34': {'exit_code': 0, 'pid': 219083, 'identifier': '34'}, '35': {'exit_code': 0, 'pid': 219104, 'identifier': '35'}, '36': {'exit_code': 0, 'pid': 219124, 'identifier': '36'}, '37': {'exit_code': 0, 'pid': 219141, 'identifier': '37'}, '38': {'exit_code': 0, 'pid': 219161, 'identifier': '38'}, '39': {'exit_code': 0, 'pid': 219184, 'identifier': '39'}, '40': {'exit_code': 0, 'pid': 219196, 'identifier': '40'}, '41': {'exit_code': 0, 'pid': 219213, 'identifier': '41'}, '42': {'exit_code': 0, 'pid': 219229, 'identifier': '42'}, '43': {'exit_code': 0, 'pid': 219248, 'identifier': '43'}, '44': {'exit_code': 0, 'pid': 219267, 'identifier': '44'}, '45': {'exit_code': 0, 'pid': 219283, 'identifier': '45'}, '46': {'exit_code': 0, 'pid': 219292, 'identifier': '46'}, '47': {'exit_code': 0, 'pid': 219314, 'identifier': '47'}}, 'exit_code': 0}\n",
-      "Stopping controller\n",
-      "Controller stopped: {'exit_code': 0, 'pid': 218649, 'identifier': 'ipcontroller-1637855021-gfdv-218555'}\n"
-     ]
-    }
-   ],
-   "source": [
-    "import time\n",
-    "import ipyparallel as ipp\n",
-    "\n",
-    "task_durations = [1] * 25\n",
-    "# request a cluster\n",
-    "with ipp.Cluster() as rc:\n",
-    "    # get a view on the cluster\n",
-    "    view = rc.load_balanced_view()\n",
-    "    # submit the tasks\n",
-    "    asyncresult = view.map_async(time.sleep, task_durations)\n",
-    "    # wait interactively for results\n",
-    "    asyncresult.wait_interactive()\n",
-    "    # retrieve actual results\n",
-    "    result = asyncresult.get()\n",
-    "# at this point, the cluster processes have been shutdown"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "id": "8da6955e",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Starting 4 engines with <class 'ipyparallel.cluster.launcher.MPIEngineSetLauncher'>\n"
-     ]
-    },
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "7b55f85ec1184a43aac3c2ef3800acb8",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "  0%|          | 0/4 [00:00<?, ?engine/s]"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "engine set stopped 1637855042: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}\n"
-     ]
-    },
-    {
-     "ename": "EngineError",
-     "evalue": "Engine set stopped: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}",
-     "output_type": "error",
-     "traceback": [
-      "\u001B[0;31m---------------------------------------------------------------------------\u001B[0m",
-      "\u001B[0;31mEngineError\u001B[0m                               Traceback (most recent call last)",
-      "\u001B[0;32m/tmp/ab542498/login18-2_104474/ipykernel_218555/1896274520.py\u001B[0m in \u001B[0;36m<module>\u001B[0;34m\u001B[0m\n\u001B[1;32m      7\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m      8\u001B[0m \u001B[0;31m# request an MPI cluster with 4 engines\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m----> 9\u001B[0;31m \u001B[0;32mwith\u001B[0m \u001B[0mipp\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mCluster\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mengines\u001B[0m\u001B[0;34m=\u001B[0m\u001B[0;34m'mpi'\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0mn\u001B[0m\u001B[0;34m=\u001B[0m\u001B[0;36m4\u001B[0m\u001B[0;34m)\u001B[0m \u001B[0;32mas\u001B[0m \u001B[0mrc\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m     10\u001B[0m     \u001B[0;31m# get a broadcast_view on the cluster which is best\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     11\u001B[0m     \u001B[0;31m# suited for MPI style computation\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/cluster/cluster.py\u001B[0m in \u001B[0;36m__enter__\u001B[0;34m(self)\u001B[0m\n\u001B[1;32m    873\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    874\u001B[0m     \u001B[0;32mdef\u001B[0m \u001B[0m__enter__\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mself\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m--> 875\u001B[0;31m         \u001B[0mclient\u001B[0m \u001B[0;34m=\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m_context_client\u001B[0m \u001B[0;34m=\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mstart_and_connect_sync\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m    876\u001B[0m         \u001B[0;32mreturn\u001B[0m \u001B[0mclient\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    877\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001B[0m in \u001B[0;36m_synchronize\u001B[0;34m(self, async_f, *args, **kwargs)\u001B[0m\n\u001B[1;32m     68\u001B[0m             \u001B[0mloop\u001B[0m \u001B[0;34m=\u001B[0m \u001B[0;32mNone\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     69\u001B[0m         \u001B[0;32mif\u001B[0m \u001B[0mloop\u001B[0m \u001B[0;32mand\u001B[0m \u001B[0mloop\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mis_running\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m---> 70\u001B[0;31m             \u001B[0;32mreturn\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m_in_thread\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0masync_f\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;34m*\u001B[0m\u001B[0margs\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;34m**\u001B[0m\u001B[0mkwargs\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m     71\u001B[0m         \u001B[0;32melse\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     72\u001B[0m             \u001B[0;32mreturn\u001B[0m \u001B[0m_asyncio_run\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0masync_f\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m*\u001B[0m\u001B[0margs\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;34m**\u001B[0m\u001B[0mkwargs\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001B[0m in \u001B[0;36m_in_thread\u001B[0;34m(self, async_f, *args, **kwargs)\u001B[0m\n\u001B[1;32m     53\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     54\u001B[0m         \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m_thread_loop\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0madd_callback\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mthread_callback\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m---> 55\u001B[0;31m         \u001B[0;32mreturn\u001B[0m \u001B[0mfuture\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mresult\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m     56\u001B[0m \u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     57\u001B[0m     \u001B[0;32mdef\u001B[0m \u001B[0m_synchronize\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mself\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0masync_f\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;34m*\u001B[0m\u001B[0margs\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;34m**\u001B[0m\u001B[0mkwargs\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m/rwthfs/rz/SW/UTIL.common/Python/3.9.1/x86_64/lib/python3.9/concurrent/futures/_base.py\u001B[0m in \u001B[0;36mresult\u001B[0;34m(self, timeout)\u001B[0m\n\u001B[1;32m    438\u001B[0m                 \u001B[0;32mraise\u001B[0m \u001B[0mCancelledError\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    439\u001B[0m             \u001B[0;32melif\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m_state\u001B[0m \u001B[0;34m==\u001B[0m \u001B[0mFINISHED\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m--> 440\u001B[0;31m                 \u001B[0;32mreturn\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m__get_result\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m    441\u001B[0m             \u001B[0;32melse\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    442\u001B[0m                 \u001B[0;32mraise\u001B[0m \u001B[0mTimeoutError\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m/rwthfs/rz/SW/UTIL.common/Python/3.9.1/x86_64/lib/python3.9/concurrent/futures/_base.py\u001B[0m in \u001B[0;36m__get_result\u001B[0;34m(self)\u001B[0m\n\u001B[1;32m    387\u001B[0m     \u001B[0;32mdef\u001B[0m \u001B[0m__get_result\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mself\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    388\u001B[0m         \u001B[0;32mif\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m_exception\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m--> 389\u001B[0;31m             \u001B[0;32mraise\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m_exception\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m    390\u001B[0m         \u001B[0;32melse\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    391\u001B[0m             \u001B[0;32mreturn\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0m_result\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001B[0m in \u001B[0;36mthread_callback\u001B[0;34m()\u001B[0m\n\u001B[1;32m     48\u001B[0m         \u001B[0;32masync\u001B[0m \u001B[0;32mdef\u001B[0m \u001B[0mthread_callback\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     49\u001B[0m             \u001B[0;32mtry\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m---> 50\u001B[0;31m                 \u001B[0mfuture\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mset_result\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;32mawait\u001B[0m \u001B[0masync_f\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m*\u001B[0m\u001B[0margs\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0;34m**\u001B[0m\u001B[0mkwargs\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0m\u001B[1;32m     51\u001B[0m             \u001B[0;32mexcept\u001B[0m \u001B[0mException\u001B[0m \u001B[0;32mas\u001B[0m \u001B[0me\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m     52\u001B[0m                 \u001B[0mfuture\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mset_exception\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0me\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n",
-      "\u001B[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/cluster/cluster.py\u001B[0m in \u001B[0;36mstart_and_connect\u001B[0;34m(self, n)\u001B[0m\n\u001B[1;32m    728\u001B[0m         \u001B[0mclient\u001B[0m \u001B[0;34m=\u001B[0m \u001B[0;32mawait\u001B[0m \u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mconnect_client\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    729\u001B[0m         \u001B[0;32mif\u001B[0m \u001B[0mn\u001B[0m\u001B[0;34m:\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[0;32m--> 730\u001B[0;31m             await asyncio.wrap_future(\n\u001B[0m\u001B[1;32m    731\u001B[0m                 \u001B[0mclient\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mwait_for_engines\u001B[0m\u001B[0;34m(\u001B[0m\u001B[0mn\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0mblock\u001B[0m\u001B[0;34m=\u001B[0m\u001B[0;32mFalse\u001B[0m\u001B[0;34m,\u001B[0m \u001B[0mtimeout\u001B[0m\u001B[0;34m=\u001B[0m\u001B[0mself\u001B[0m\u001B[0;34m.\u001B[0m\u001B[0mengine_timeout\u001B[0m\u001B[0;34m)\u001B[0m\u001B[0;34m\u001B[0m\u001B[0;34m\u001B[0m\u001B[0m\n\u001B[1;32m    732\u001B[0m             )\n",
-      "\u001B[0;31mEngineError\u001B[0m: Engine set stopped: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}"
-     ]
-    }
-   ],
-   "source": [
-    "import ipyparallel as ipp\n",
-    "\n",
-    "def mpi_example():\n",
-    "    from mpi4py import MPI\n",
-    "    comm = MPI.COMM_WORLD\n",
-    "    return f\"Hello World from rank {comm.Get_rank()}. total ranks={comm.Get_size()}\"\n",
-    "\n",
-    "# request an MPI cluster with 4 engines\n",
-    "with ipp.Cluster(engines='mpi', n=4) as rc:\n",
-    "    # get a broadcast_view on the cluster which is best\n",
-    "    # suited for MPI style computation\n",
-    "    view = rc.broadcast_view()\n",
-    "    # run the mpi_example function on all engines in parallel\n",
-    "    r = view.apply_sync(mpi_example)\n",
-    "    # Retrieve and print the result from the engines\n",
-    "    print(\"\\n\".join(r))\n",
-    "# at this point, the cluster processes have been shutdown"
-   ]
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.9.6"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 5
-}
->>>>>>> b6da64d4f9eac398b797451b7a31ab24749bdd8c
diff --git a/pyproject.toml b/pyproject.toml
index 27ce6b9..664ac0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -82,6 +82,9 @@ lint.ignore = [
 lint.pydocstyle.convention = "google"
 lint.isort.required-imports = ["from __future__ import annotations"]
 
+[tool.ruff.lint.per-file-ignores]
+"*.ipynb" = ["S", "T201"]
+
 [tool.mypy]
 ignore_missing_imports = true
 

From c2152d7361988b293d9fcbbe0dfc10f31d04e082 Mon Sep 17 00:00:00 2001
From: Alexander Bonkowski <alexander.bonkowski@rwth-aachen.de>
Date: Tue, 27 Aug 2024 10:38:24 +0200
Subject: [PATCH 3/4] Temporarily remote `mpi_test.ipynb`

---
 examples/03_mpi/mpi_test.ipynb | 158 ---------------------------------
 1 file changed, 158 deletions(-)
 delete mode 100644 examples/03_mpi/mpi_test.ipynb

diff --git a/examples/03_mpi/mpi_test.ipynb b/examples/03_mpi/mpi_test.ipynb
deleted file mode 100644
index 0694adf..0000000
--- a/examples/03_mpi/mpi_test.ipynb
+++ /dev/null
@@ -1,158 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": 1,
-   "id": "1f70b392",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Starting 48 engines with <class 'ipyparallel.cluster.launcher.LocalEngineSetLauncher'>\n"
-     ]
-    },
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "86e3ac8b5a16405783756d02f8bb7fde",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "sleep:   0%|          | 0/25 [00:00<?, ?tasks/s]"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Stopping engine(s): 1637855022\n",
-      "engine set stopped 1637855022: {'engines': {'0': {'exit_code': 0, 'pid': 218702, 'identifier': '0'}, '1': {'exit_code': 0, 'pid': 218705, 'identifier': '1'}, '2': {'exit_code': 0, 'pid': 218707, 'identifier': '2'}, '3': {'exit_code': 0, 'pid': 218709, 'identifier': '3'}, '4': {'exit_code': 0, 'pid': 218711, 'identifier': '4'}, '5': {'exit_code': 0, 'pid': 218713, 'identifier': '5'}, '6': {'exit_code': 0, 'pid': 218719, 'identifier': '6'}, '7': {'exit_code': 0, 'pid': 218723, 'identifier': '7'}, '8': {'exit_code': 0, 'pid': 218733, 'identifier': '8'}, '9': {'exit_code': 0, 'pid': 218739, 'identifier': '9'}, '10': {'exit_code': 0, 'pid': 218745, 'identifier': '10'}, '11': {'exit_code': 0, 'pid': 218751, 'identifier': '11'}, '12': {'exit_code': 0, 'pid': 218759, 'identifier': '12'}, '13': {'exit_code': 0, 'pid': 218765, 'identifier': '13'}, '14': {'exit_code': 0, 'pid': 218768, 'identifier': '14'}, '15': {'exit_code': 0, 'pid': 218780, 'identifier': '15'}, '16': {'exit_code': 0, 'pid': 218796, 'identifier': '16'}, '17': {'exit_code': 0, 'pid': 218811, 'identifier': '17'}, '18': {'exit_code': 0, 'pid': 218818, 'identifier': '18'}, '19': {'exit_code': 0, 'pid': 218834, 'identifier': '19'}, '20': {'exit_code': 0, 'pid': 218847, 'identifier': '20'}, '21': {'exit_code': 0, 'pid': 218863, 'identifier': '21'}, '22': {'exit_code': 0, 'pid': 218886, 'identifier': '22'}, '23': {'exit_code': 0, 'pid': 218906, 'identifier': '23'}, '24': {'exit_code': 0, 'pid': 218922, 'identifier': '24'}, '25': {'exit_code': 0, 'pid': 218938, 'identifier': '25'}, '26': {'exit_code': 0, 'pid': 218954, 'identifier': '26'}, '27': {'exit_code': 0, 'pid': 218971, 'identifier': '27'}, '28': {'exit_code': 0, 'pid': 218985, 'identifier': '28'}, '29': {'exit_code': 0, 'pid': 219004, 'identifier': '29'}, '30': {'exit_code': 0, 'pid': 219020, 'identifier': '30'}, '31': {'exit_code': 0, 'pid': 219036, 'identifier': '31'}, '32': {'exit_code': 0, 'pid': 219052, 'identifier': '32'}, '33': {'exit_code': 0, 'pid': 219063, 'identifier': '33'}, '34': {'exit_code': 0, 'pid': 219083, 'identifier': '34'}, '35': {'exit_code': 0, 'pid': 219104, 'identifier': '35'}, '36': {'exit_code': 0, 'pid': 219124, 'identifier': '36'}, '37': {'exit_code': 0, 'pid': 219141, 'identifier': '37'}, '38': {'exit_code': 0, 'pid': 219161, 'identifier': '38'}, '39': {'exit_code': 0, 'pid': 219184, 'identifier': '39'}, '40': {'exit_code': 0, 'pid': 219196, 'identifier': '40'}, '41': {'exit_code': 0, 'pid': 219213, 'identifier': '41'}, '42': {'exit_code': 0, 'pid': 219229, 'identifier': '42'}, '43': {'exit_code': 0, 'pid': 219248, 'identifier': '43'}, '44': {'exit_code': 0, 'pid': 219267, 'identifier': '44'}, '45': {'exit_code': 0, 'pid': 219283, 'identifier': '45'}, '46': {'exit_code': 0, 'pid': 219292, 'identifier': '46'}, '47': {'exit_code': 0, 'pid': 219314, 'identifier': '47'}}, 'exit_code': 0}\n",
-      "Stopping controller\n",
-      "Controller stopped: {'exit_code': 0, 'pid': 218649, 'identifier': 'ipcontroller-1637855021-gfdv-218555'}\n"
-     ]
-    }
-   ],
-   "source": [
-    "from __future__ import annotations\n",
-    "\n",
-    "import time\n",
-    "\n",
-    "import ipyparallel as ipp\n",
-    "\n",
-    "task_durations = [1] * 25\n",
-    "# request a cluster\n",
-    "with ipp.Cluster() as rc:\n",
-    "    # get a view on the cluster\n",
-    "    view = rc.load_balanced_view()\n",
-    "    # submit the tasks\n",
-    "    asyncresult = view.map_async(time.sleep, task_durations)\n",
-    "    # wait interactively for results\n",
-    "    asyncresult.wait_interactive()\n",
-    "    # retrieve actual results\n",
-    "    result = asyncresult.get()\n",
-    "# at this point, the cluster processes have been shutdown"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "id": "8da6955e",
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "Starting 4 engines with <class 'ipyparallel.cluster.launcher.MPIEngineSetLauncher'>\n"
-     ]
-    },
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "7b55f85ec1184a43aac3c2ef3800acb8",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "  0%|          | 0/4 [00:00<?, ?engine/s]"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "engine set stopped 1637855042: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}\n"
-     ]
-    },
-    {
-     "ename": "EngineError",
-     "evalue": "Engine set stopped: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mEngineError\u001b[0m                               Traceback (most recent call last)",
-      "\u001b[0;32m/tmp/ab542498/login18-2_104474/ipykernel_218555/1896274520.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      7\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      8\u001b[0m \u001b[0;31m# request an MPI cluster with 4 engines\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 9\u001b[0;31m \u001b[0;32mwith\u001b[0m \u001b[0mipp\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mCluster\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mengines\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;34m'mpi'\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mn\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0mrc\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     10\u001b[0m     \u001b[0;31m# get a broadcast_view on the cluster which is best\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     11\u001b[0m     \u001b[0;31m# suited for MPI style computation\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/cluster/cluster.py\u001b[0m in \u001b[0;36m__enter__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    873\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    874\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__enter__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 875\u001b[0;31m         \u001b[0mclient\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_context_client\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mstart_and_connect_sync\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    876\u001b[0m         \u001b[0;32mreturn\u001b[0m \u001b[0mclient\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    877\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001b[0m in \u001b[0;36m_synchronize\u001b[0;34m(self, async_f, *args, **kwargs)\u001b[0m\n\u001b[1;32m     68\u001b[0m             \u001b[0mloop\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     69\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mloop\u001b[0m \u001b[0;32mand\u001b[0m \u001b[0mloop\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mis_running\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 70\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_in_thread\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0masync_f\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     71\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     72\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0m_asyncio_run\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0masync_f\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001b[0m in \u001b[0;36m_in_thread\u001b[0;34m(self, async_f, *args, **kwargs)\u001b[0m\n\u001b[1;32m     53\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     54\u001b[0m         \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_thread_loop\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0madd_callback\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mthread_callback\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 55\u001b[0;31m         \u001b[0;32mreturn\u001b[0m \u001b[0mfuture\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mresult\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     56\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     57\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m_synchronize\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0masync_f\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/rwthfs/rz/SW/UTIL.common/Python/3.9.1/x86_64/lib/python3.9/concurrent/futures/_base.py\u001b[0m in \u001b[0;36mresult\u001b[0;34m(self, timeout)\u001b[0m\n\u001b[1;32m    438\u001b[0m                 \u001b[0;32mraise\u001b[0m \u001b[0mCancelledError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    439\u001b[0m             \u001b[0;32melif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_state\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mFINISHED\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 440\u001b[0;31m                 \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m__get_result\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    441\u001b[0m             \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    442\u001b[0m                 \u001b[0;32mraise\u001b[0m \u001b[0mTimeoutError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/rwthfs/rz/SW/UTIL.common/Python/3.9.1/x86_64/lib/python3.9/concurrent/futures/_base.py\u001b[0m in \u001b[0;36m__get_result\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m    387\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m__get_result\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    388\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_exception\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 389\u001b[0;31m             \u001b[0;32mraise\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_exception\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m    390\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    391\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_result\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/_async.py\u001b[0m in \u001b[0;36mthread_callback\u001b[0;34m()\u001b[0m\n\u001b[1;32m     48\u001b[0m         \u001b[0;32masync\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mthread_callback\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     49\u001b[0m             \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 50\u001b[0;31m                 \u001b[0mfuture\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mset_result\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;32mawait\u001b[0m \u001b[0masync_f\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m*\u001b[0m\u001b[0margs\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m**\u001b[0m\u001b[0mkwargs\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m     51\u001b[0m             \u001b[0;32mexcept\u001b[0m \u001b[0mException\u001b[0m \u001b[0;32mas\u001b[0m \u001b[0me\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m     52\u001b[0m                 \u001b[0mfuture\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mset_exception\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0me\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/rwthfs/rz/cluster/home/ab542498/python/base-3.9/lib/python3.9/site-packages/ipyparallel/cluster/cluster.py\u001b[0m in \u001b[0;36mstart_and_connect\u001b[0;34m(self, n)\u001b[0m\n\u001b[1;32m    728\u001b[0m         \u001b[0mclient\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;32mawait\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mconnect_client\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    729\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mn\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m--> 730\u001b[0;31m             await asyncio.wrap_future(\n\u001b[0m\u001b[1;32m    731\u001b[0m                 \u001b[0mclient\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mwait_for_engines\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mn\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mblock\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mFalse\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtimeout\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mengine_timeout\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m    732\u001b[0m             )\n",
-      "\u001b[0;31mEngineError\u001b[0m: Engine set stopped: {'exit_code': 255, 'pid': 219803, 'identifier': 'ipengine-1637855041-1tp7-1637855042-218555'}"
-     ]
-    }
-   ],
-   "source": [
-    "import ipyparallel as ipp\n",
-    "\n",
-    "\n",
-    "def mpi_example() -> str:  # noqa: D103\n",
-    "    from mpi4py import MPI\n",
-    "    comm = MPI.COMM_WORLD\n",
-    "    return f\"Hello World from rank {comm.Get_rank()}. total ranks={comm.Get_size()}\"\n",
-    "\n",
-    "# request an MPI cluster with 4 engines\n",
-    "with ipp.Cluster(engines=\"mpi\", n=4) as rc:\n",
-    "    # get a broadcast_view on the cluster which is best\n",
-    "    # suited for MPI style computation\n",
-    "    view = rc.broadcast_view()\n",
-    "    # run the mpi_example function on all engines in parallel\n",
-    "    r = view.apply_sync(mpi_example)\n",
-    "    # Retrieve and print the result from the engines\n",
-    "    print(\"\\n\".join(r))\n",
-    "# at this point, the cluster processes have been shutdown"
-   ]
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.9.6"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 5
-}

From b61dca1005ebd21ce193ccad0d36b966dc37d4cd Mon Sep 17 00:00:00 2001
From: Alexander Bonkowski <alexander.bonkowski@rwth-aachen.de>
Date: Tue, 27 Aug 2024 12:05:54 +0200
Subject: [PATCH 4/4] Add `nbstripout`

---
 .pre-commit-config.yaml                       |  6 +++++
 .../03_mpi/mimimise_convert_backend.ipynb     | 26 +++++++++----------
 .../03_mpi/mimimise_convert_backend2.ipynb    | 24 ++++++++---------
 3 files changed, 31 insertions(+), 25 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e41c48f..3739cba 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -46,3 +46,9 @@ repos:
         # MD033: no inline HTML
         # MD041: first line in a file should be a top-level heading
         args: [--disable, MD013, MD033, MD041, "--"]
+
+  - repo: https://github.com/kynan/nbstripout
+    rev: 0.7.1
+    hooks:
+      - id: nbstripout
+        args: [--drop-empty-cells, --keep-output]
diff --git a/examples/03_mpi/mimimise_convert_backend.ipynb b/examples/03_mpi/mimimise_convert_backend.ipynb
index 52c0c75..c517faf 100644
--- a/examples/03_mpi/mimimise_convert_backend.ipynb
+++ b/examples/03_mpi/mimimise_convert_backend.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "02650c3f",
+   "id": "0",
    "metadata": {},
    "source": [
     "1. Start interacitve slurm session, e.g.: \"srun --account rwth0773 --job-name \"InteractiveJob\" --cpus-per-task 4 --mem-per-cpu 1500 --time 12:00:00 --pty zsh\"\n",
@@ -13,8 +13,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
-   "id": "7cde15cb",
+   "execution_count": null,
+   "id": "1",
    "metadata": {},
    "outputs": [
     {
@@ -23,7 +23,7 @@
        "0"
       ]
      },
-     "execution_count": 1,
+     "execution_count": null,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -47,8 +47,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
-   "id": "211502d7",
+   "execution_count": null,
+   "id": "2",
    "metadata": {},
    "outputs": [
     {
@@ -71,8 +71,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
-   "id": "eb485bbb",
+   "execution_count": null,
+   "id": "3",
    "metadata": {},
    "outputs": [
     {
@@ -122,8 +122,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
-   "id": "53f0f842",
+   "execution_count": null,
+   "id": "4",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -134,8 +134,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
-   "id": "490ce9d6",
+   "execution_count": null,
+   "id": "5",
    "metadata": {},
    "outputs": [
     {
@@ -201,7 +201,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "233ef59b",
+   "id": "6",
    "metadata": {},
    "outputs": [
     {
diff --git a/examples/03_mpi/mimimise_convert_backend2.ipynb b/examples/03_mpi/mimimise_convert_backend2.ipynb
index 2d1c8f3..40da892 100644
--- a/examples/03_mpi/mimimise_convert_backend2.ipynb
+++ b/examples/03_mpi/mimimise_convert_backend2.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "9ded445e",
+   "id": "0",
    "metadata": {},
    "source": [
     "1. Start interacitve slurm session, e.g.: \"srun --account rwth0773 --job-name \"InteractiveJob\" --cpus-per-task 4 --mem-per-cpu 1500 --time 12:00:00 --pty zsh\"\n",
@@ -13,8 +13,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
-   "id": "7cde15cb",
+   "execution_count": null,
+   "id": "1",
    "metadata": {},
    "outputs": [
     {
@@ -23,7 +23,7 @@
        "0"
       ]
      },
-     "execution_count": 1,
+     "execution_count": null,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -38,8 +38,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
-   "id": "211502d7",
+   "execution_count": null,
+   "id": "2",
    "metadata": {},
    "outputs": [
     {
@@ -62,8 +62,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
-   "id": "eb485bbb",
+   "execution_count": null,
+   "id": "3",
    "metadata": {},
    "outputs": [
     {
@@ -113,8 +113,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
-   "id": "53f0f842",
+   "execution_count": null,
+   "id": "4",
    "metadata": {},
    "outputs": [
     {
@@ -140,8 +140,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
-   "id": "490ce9d6",
+   "execution_count": null,
+   "id": "5",
    "metadata": {},
    "outputs": [
     {