diff --git a/python/pacemaker/_cts/tests/partialstart.py b/python/pacemaker/_cts/tests/partialstart.py
index b47a3e327c..c8951f17f2 100644
--- a/python/pacemaker/_cts/tests/partialstart.py
+++ b/python/pacemaker/_cts/tests/partialstart.py
@@ -1,54 +1,64 @@
-""" Test-specific classes for Pacemaker's Cluster Test Suite (CTS)
-"""
+""" Start a node and then tell it to stop before it is fully running """
 
 __all__ = ["PartialStart"]
 __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors"
 __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY"
 
 from pacemaker._cts.tests.ctstest import CTSTest
 from pacemaker._cts.tests.simulstartlite import SimulStartLite
 from pacemaker._cts.tests.simulstoplite import SimulStopLite
 from pacemaker._cts.tests.stoptest import StopTest
 
 
 class PartialStart(CTSTest):
-    '''Start a node - but tell it to stop before it finishes starting up'''
+    """ A concrete test that interrupts a node before it's finished starting up """
+
     def __init__(self, cm):
-        CTSTest.__init__(self,cm)
+        """ Create a new PartialStart instance
+
+            Arguments:
+
+            cm -- A ClusterManager instance
+        """
+
+        CTSTest.__init__(self, cm)
+
         self.name = "PartialStart"
-        self._startall = SimulStartLite(cm)
         self.stopall = SimulStopLite(cm)
+
+        self._startall = SimulStartLite(cm)
         self._stop = StopTest(cm)
 
     def __call__(self, node):
-        '''Perform the 'PartialStart' test. '''
+        """ Perform this test """
+
         self.incr("calls")
 
         ret = self.stopall(None)
         if not ret:
             return self.failure("Setup failed")
 
         watchpats = []
         watchpats.append("pacemaker-controld.*Connecting to .* cluster infrastructure")
         watch = self.create_watch(watchpats, self._env["DeadTime"]+10)
         watch.set_watch()
 
         self._cm.StartaCMnoBlock(node)
         ret = watch.look_for_all()
         if not ret:
             self._logger.log("Patterns not found: " + repr(watch.unmatched))
             return self.failure("Setup of %s failed" % node)
 
         ret = self._stop(node)
         if not ret:
             return self.failure("%s did not stop in time" % node)
 
         return self.success()
 
     @property
     def errors_to_ignore(self):
         """ Return list of errors which should be ignored """
 
         # We might do some fencing in the 2-node case if we make it up far enough
         return [ r"Executing reboot fencing operation",
                  r"Requesting fencing \([^)]+\) targeting node " ]