diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 4f49096b8..80c53045c 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -31,4 +31,5 @@ jobs:
       run: |
         cd test
         sh build_test_docker.sh
+        echo "Running tests"
         python run_tests.py
diff --git a/src/sos/__main__.py b/src/sos/__main__.py
index e67483b92..3e495112a 100755
--- a/src/sos/__main__.py
+++ b/src/sos/__main__.py
@@ -1365,7 +1365,7 @@ def get_execute_parser(desc_only=False):
         ],
         default="default",
         metavar="SIGMODE",
-        dest="sig_mode",
+        dest="__sig_mode__",
         help="""How runtime signature would be handled, which can be "default"
             (save and use signature, default mode in batch mode),
             "force" (ignore existing signature and overwrite them while
@@ -1460,8 +1460,8 @@ def cmd_execute(args, workflow_args):
             "config_file":
                 args.config,
             "sig_mode":
-                "default" if args.sig_mode in (None,
-                                               "ignore") else args.sig_mode,
+                "default" if args.__sig_mode__ in (None,
+                                               "ignore") else args.__sig_mode__,
             "run_mode":
                 "dryrun" if args.dryrun else
                 (args.run_mode if args.run_mode else "run"),
diff --git a/src/sos/monitor.py b/src/sos/monitor.py
index e80899e3d..f42bcf321 100644
--- a/src/sos/monitor.py
+++ b/src/sos/monitor.py
@@ -310,12 +310,10 @@ def summarizeExecution(task_id, pulses, status="Unknown"):
         accu_cpu += float(c) + float(cc)
         accu_mem += float(m) + float(cm)
         count += 1
-        if float(c) + float(cc) > peak_cpu:
-            peak_cpu = float(c) + float(cc)
-        if float(m) + float(cm) > peak_mem:
-            peak_mem = float(m) + float(cm)
-        if int(nch) > peak_nch:
-            peak_nch = int(nch)
+
+        peak_cpu = max(peak_cpu, float(c) + float(cc))
+        peak_mem = max(float(m) + float(cm), peak_mem)
+        peak_nch = max(int(nch), peak_nch)
     try:
         second_elapsed = end_time - start_time
     except Exception:
diff --git a/src/sos/targets.py b/src/sos/targets.py
index b587b6993..c5e010049 100644
--- a/src/sos/targets.py
+++ b/src/sos/targets.py
@@ -528,8 +528,13 @@ class file_target(path, BaseTarget):
     """A regular target for files."""
 
     def __init__(self, *args, **kwargs):
-        # this is path segments
-        super().__init__(*args, **kwargs)
+        if sys.version_info[0] >= 3 and sys.version_info[1] >= 12:
+            # python 3.12 and above
+            path.__init__(self, *args, **kwargs)
+        else:
+            # python 2.10 and 3.11
+            path.__init__(self)
+        BaseTarget.__init__(self, *args, **kwargs)
         if len(args) == 1 and isinstance(args[0], file_target):
             self._md5 = args[0]._md5 if hasattr(args[0], '_md5') else None
         else:
@@ -675,7 +680,7 @@ def __new__(cls, path=None, name=None, suffix=None, prefix=None, dir=None):
         if cls is Path:
             cls = WindowsPath if os.name == "nt" else PosixPath
         filename = request_answer_from_controller(["sos_tempfile", path, name, suffix, prefix, dir])
-        return cls._from_parts([filename])
+        return file_target(filename)
 
 
 class paths(Sequence, os.PathLike):
diff --git a/test/build_test_docker.sh b/test/build_test_docker.sh
index 9282a140f..2da3dc725 100644
--- a/test/build_test_docker.sh
+++ b/test/build_test_docker.sh
@@ -21,10 +21,12 @@ docker rmi eg_sshd
 # copy the public key here
 cp ~/.ssh/id_rsa.pub authorized_keys
 
+python_version=$(python --version | cut -d. -f2)
 # create a docker file
 #
-cat > Dockerfile << 'HERE'
-FROM python:3.10
+echo "FROM python:3.${python_version}" > Dockerfile
+
+cat >> Dockerfile << 'HERE'
 
 RUN apt-get update && apt-get install -y openssh-server rsync task-spooler
 RUN mkdir /var/run/sshd
@@ -41,8 +43,8 @@ RUN [ -d /root/.ssh ] || mkdir -p /root/.ssh
 ADD authorized_keys /root/.ssh/authorized_keys
 
 ARG  SHA=LATEST
-RUN  SHA=$SHA git clone http://github.com/vatlab/sos sos
-RUN  pip install sos sos-pbs
+RUN  pip install git+https://github.com/vatlab/sos
+RUN  pip install sos-pbs
 
 RUN  echo "export TS_SLOTS=10" >> /root/.bash_profile