diff --git a/requirements.txt b/requirements.txt
index d58acb24..4eff006f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,6 @@ libpysal
 mapclassify
 matplotlib
 numpy
-pandana
 pandas
 pip
 pygeos
@@ -14,6 +13,5 @@ scikit-learn>=0.21.3
 scipy
 seaborn
 tqdm
-urbanaccess
-rvlib
+rvlib>=0.0.5
 numba
diff --git a/segregation/__init__.py b/segregation/__init__.py
index d108b51e..08cc1b84 100644
--- a/segregation/__init__.py
+++ b/segregation/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "2.0.0"
+__version__ = "2.1.0"
 """
 :mod:`segregation` --- Spatial/Aspatial Segregation Analysis
 =================================================
diff --git a/tools/gitcount.ipynb b/tools/gitcount.ipynb
index 69ccd66c..09c411eb 100644
--- a/tools/gitcount.ipynb
+++ b/tools/gitcount.ipynb
@@ -2,7 +2,6 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "metadata": {},
    "source": [
     "## `segregation` Change Log Statistics\n",
     "\n",
@@ -10,52 +9,75 @@
     "\n",
     "It assumes you are running this under the `tools` directory at the toplevel of the package\n",
     "\n"
-   ]
+   ],
+   "metadata": {}
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "#  get date of last tag\n",
     "from subprocess import Popen, PIPE\n",
     "x, err = Popen('git log -1 --tags --simplify-by-decoration --pretty=\"%ai\"| cat', stdin=PIPE, stdout=PIPE, stderr=PIPE, shell=True).communicate()\n",
     "start_date = x.split()[0].decode('utf-8')"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:32.325617Z",
+     "iopub.status.busy": "2021-07-26T23:03:32.325376Z",
+     "iopub.status.idle": "2021-07-26T23:03:32.597821Z",
+     "shell.execute_reply": "2021-07-26T23:03:32.596840Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:32.325595Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "#  today's date\n",
     "import datetime\n",
     "release_date = str(datetime.datetime.today()).split()[0]"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:32.599243Z",
+     "iopub.status.busy": "2021-07-26T23:03:32.599036Z",
+     "iopub.status.idle": "2021-07-26T23:03:32.604888Z",
+     "shell.execute_reply": "2021-07-26T23:03:32.604225Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:32.599222Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "package_name = 'segregation'"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:32.606330Z",
+     "iopub.status.busy": "2021-07-26T23:03:32.606014Z",
+     "iopub.status.idle": "2021-07-26T23:03:32.609801Z",
+     "shell.execute_reply": "2021-07-26T23:03:32.608592Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:32.606313Z"
+    }
+   }
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
    "source": [
     "This notebook will generate a file in the current directory with the name \"changelog_VERSION.md\". You can edit and append this on front of the CHANGELOG file for the package release."
-   ]
+   ],
+   "metadata": {}
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "from __future__ import print_function\n",
     "import os\n",
@@ -76,43 +98,75 @@
     "import yaml\n",
     "\n",
     "context = ssl._create_unverified_context()\n"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:32.611030Z",
+     "iopub.status.busy": "2021-07-26T23:03:32.610835Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.036139Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.035470Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:32.611010Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "CWD = os.path.abspath(os.path.curdir)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.040458Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.040210Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.043289Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.042663Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.040438Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "CWD"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.045913Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.045617Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.054507Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.053970Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.045887Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "since_date = '--since=\"{start}\"'.format(start=start_date)\n",
     "since_date\n",
     "since = datetime.strptime(start_date+\" 0:0:0\", \"%Y-%m-%d %H:%M:%S\")\n",
     "since"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.055709Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.055493Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.060336Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.059799Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.055690Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "# get __version__\n",
     "f = \"../{package}/__init__.py\".format(package=package_name)\n",
@@ -120,53 +174,77 @@
     "with open(f, 'r') as initfile:\n",
     "     exec(initfile.readline())\n",
     "   "
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.061727Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.061295Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.066524Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.065859Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.061680Z"
+    }
+   }
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
    "source": [
     "## Total commits by subpackage"
-   ]
+   ],
+   "metadata": {}
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "cmd = ['git', 'log', '--oneline', since_date]\n",
     "ncommits = len(check_output(cmd).splitlines())"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.067838Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.067622Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.118480Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.117350Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.067818Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "ncommits"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.120132Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.119901Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.123944Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.123247Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.120108Z"
+    }
+   }
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
    "source": [
     "## List Contributors"
-   ]
+   ],
+   "metadata": {}
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
    "source": [
     "Some of our contributors have many aliases for the same identity. So, we've added a mapping to make sure that individuals are listed once (and only once). "
-   ]
+   ],
+   "metadata": {}
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "identities = {'Levi John Wolf': ('ljwolf', 'Levi John Wolf'),\n",
     "              'Serge Rey': ('Serge Rey', 'Sergio Rey', 'sjsrey', 'serge'),\n",
@@ -183,31 +261,55 @@
     "    if len(string.split(' '))>1:\n",
     "        string = string.title()\n",
     "    return string.lstrip('* ')"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.125471Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.125162Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.132875Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.132009Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.125448Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "author_cmd = ['git', 'log', '--format=* %aN', since_date]"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.134449Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.134059Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.137246Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.136585Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.134425Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "from collections import Counter"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.138475Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.138178Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.140889Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.140213Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.138455Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "\n",
     "ncommits = len(check_output(cmd).splitlines())\n",
@@ -216,51 +318,83 @@
     "#        global_counter += counter\n",
     "#        counters.update({'.'.join((package,subpackage)): counter})\n",
     "unique_authors = sorted(set(all_authors))\n"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.141999Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.141730Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.199583Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.198212Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.141978Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "unique_authors = counter.keys()"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.201226Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.200994Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.205053Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.204022Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.201202Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "unique_authors"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.206463Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.206247Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.211326Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.210741Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.206443Z"
+    }
+   }
   },
   {
    "cell_type": "markdown",
-   "metadata": {},
    "source": [
     "## Disaggregate by PR, Issue"
-   ]
+   ],
+   "metadata": {}
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "from datetime import datetime, timedelta\n",
     "ISO8601 = \"%Y-%m-%dT%H:%M:%SZ\"\n",
     "PER_PAGE = 100\n",
     "element_pat = re.compile(r'<(.+?)>')\n",
     "rel_pat = re.compile(r'rel=[\\'\"](\\w+)[\\'\"]')\n"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.212571Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.212303Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.217854Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.217238Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.212547Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "\n",
     "def parse_link_header(headers):\n",
@@ -283,7 +417,7 @@
     "        url = links.get('next')\n",
     "    return results\n",
     "\n",
-    "def get_issues(project=\"pysal/pysal\", state=\"closed\", pulls=False):\n",
+    "def get_issues(project=\"pysal/segregation\", state=\"closed\", pulls=False):\n",
     "    \"\"\"Get a list of the issues from the Github API.\"\"\"\n",
     "    which = 'pulls' if pulls else 'issues'\n",
     "    url = \"https://api.github.com/repos/%s/%s?state=%s&per_page=%i\" % (project, which, state, PER_PAGE)\n",
@@ -311,7 +445,7 @@
     "    return 'pull_request_url' in issue\n",
     "\n",
     "\n",
-    "def issues_closed_since(period=timedelta(days=365), project=\"pysal/pysal\", pulls=False):\n",
+    "def issues_closed_since(period=timedelta(days=365), project=\"pysal/segregation\", pulls=False):\n",
     "    \"\"\"Get all issues closed since a particular point in time. period\n",
     "can either be a datetime object, or a timedelta object. In the\n",
     "latter case, it is used as a time before the present.\"\"\"\n",
@@ -350,13 +484,21 @@
     "        for i in issues:\n",
     "            print('* %d: %s' % (i['number'], i['title'].encode('utf-8')))\n",
     "\n"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.219072Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.218860Z",
+     "iopub.status.idle": "2021-07-26T23:03:33.232593Z",
+     "shell.execute_reply": "2021-07-26T23:03:33.231574Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.219051Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "\n",
     "all_issues = {}\n",
@@ -370,200 +512,345 @@
     "pulls = sorted_by_field(pulls, reverse=True)\n",
     "n_issues, n_pulls = map(len, (issues, pulls))\n",
     "n_total = n_issues + n_pulls\n"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:33.234112Z",
+     "iopub.status.busy": "2021-07-26T23:03:33.233826Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.419941Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.418651Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:33.234091Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "issue_listing = []\n",
     "for issue in issues:\n",
     "    entry = \"{title} (#{number})\".format(title=issue['title'],number=issue['number'])\n",
     "    issue_listing.append(entry)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.421686Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.421350Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.426221Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.425460Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.421654Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "pull_listing = []\n",
     "for pull in pulls:\n",
     "    entry = \"{title} (#{number})\".format(title=pull['title'],number=pull['number'])\n",
     "    pull_listing.append(entry)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.427593Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.427316Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.431489Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.430737Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.427571Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "pull_listing"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.432740Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.432525Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.436418Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.435774Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.432720Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "message = \"We closed a total of {total} issues (enhancements and bug fixes) through {pr} pull requests\".format(total=n_total, pr=n_pulls)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.443185Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.442942Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.446459Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.445780Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.443165Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "message = \"{msg}, since our last release on {previous}.\".format(msg=message, previous=str(start_date))\n"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.450500Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.450220Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.453822Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.452743Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.450475Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "message"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.455336Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.455113Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.508968Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.508206Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.455315Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "message += \"\\n\\n## Issues Closed\\n\""
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.510381Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.510129Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.535471Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.534304Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.510358Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "print(message)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.538524Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.537851Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.542892Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.541762Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.538451Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "issues = \"\\n\".join([\"  - \"+issue for issue in issue_listing])\n",
     "message += issues\n",
     "message += \"\\n\\n## Pull Requests\\n\"\n",
     "pulls = \"\\n\".join([\"  - \"+pull for pull in pull_listing])\n",
     "message += pulls"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.544340Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.544032Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.547722Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.547091Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.544319Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "print(message)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.548864Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.548644Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.551845Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.551139Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.548841Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "people = \"\\n\".join([\"  - \"+person for person in unique_authors])"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.553073Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.552847Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.556106Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.555416Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.553053Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "print(people)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.557434Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.557118Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.562401Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.561605Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.557408Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "message +=\"\\n\\nThe following individuals contributed to this release:\\n\\n{people}\".format(people=people)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.563666Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.563447Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.567247Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.566579Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.563645Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "print(message)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.568432Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.568157Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.589337Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.588766Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.568411Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "head = \"# Changes\\n\\nVersion {version} ({release_date})\\n\\n\".format(version=__version__, release_date=release_date)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.590586Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.590365Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.593793Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.593125Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.590565Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "print(head+message)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.595023Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.594733Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.598299Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.597726Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.594981Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
-   "outputs": [],
    "source": [
     "outfile = 'changelog.md'\n",
     "with open(outfile, 'w') as of:\n",
     "    of.write(head+message)"
-   ]
+   ],
+   "outputs": [],
+   "metadata": {
+    "execution": {
+     "iopub.execute_input": "2021-07-26T23:03:41.599480Z",
+     "iopub.status.busy": "2021-07-26T23:03:41.599275Z",
+     "iopub.status.idle": "2021-07-26T23:03:41.662241Z",
+     "shell.execute_reply": "2021-07-26T23:03:41.661220Z",
+     "shell.execute_reply.started": "2021-07-26T23:03:41.599460Z"
+    }
+   }
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "source": [],
    "outputs": [],
-   "source": []
+   "metadata": {}
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "source": [],
    "outputs": [],
-   "source": []
+   "metadata": {}
   },
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "source": [],
    "outputs": [],
-   "source": []
+   "metadata": {}
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python [conda env:segregation]",
-   "language": "python",
-   "name": "conda-env-segregation-py"
+   "name": "python3",
+   "display_name": "Python 3.9.6 64-bit ('segregation': conda)"
   },
   "language_info": {
    "codemirror_mode": {
@@ -575,7 +862,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.6"
+   "version": "3.9.6"
   },
   "widgets": {
    "application/vnd.jupyter.widget-state+json": {
@@ -583,8 +870,11 @@
     "version_major": 2,
     "version_minor": 0
    }
+  },
+  "interpreter": {
+   "hash": "d1440a0eb4154dbdaa59393b3cfb390a496e35222326bd14202809e730d3c461"
   }
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}
\ No newline at end of file