diff --git a/src/pluggy/_manager.py b/src/pluggy/_manager.py
index 843fef8a..e9905ccd 100644
--- a/src/pluggy/_manager.py
+++ b/src/pluggy/_manager.py
@@ -45,10 +45,11 @@ def _warn_for_function(warning: Warning, function: Callable[..., object]) -> Non
         filename=func.__code__.co_filename,
     )
 
+
 def _attr_is_property(obj: Any, name: str) -> bool:
     """Check if a given attr is a @property on a module, class, or object"""
     if inspect.ismodule(obj):
-        return False            # modules can never have @property methods
+        return False  # modules can never have @property methods
 
     base_class = obj if inspect.isclass(obj) else type(obj)
     if isinstance(getattr(base_class, name, None), property):
diff --git a/testing/test_pluginmanager.py b/testing/test_pluginmanager.py
index 40dd56fe..d412f7a5 100644
--- a/testing/test_pluginmanager.py
+++ b/testing/test_pluginmanager.py
@@ -4,7 +4,6 @@
 
 import importlib.metadata
 from typing import Any
-from typing import Dict
 from typing import List
 
 import pytest
@@ -130,8 +129,8 @@ class ClassWithProperties:
 
         @property
         def some_func(self):
-            self.property_was_executed = True   # pragma: no cover
-            return None                         # pragma: no cover
+            self.property_was_executed = True  # pragma: no cover
+            return None  # pragma: no cover
 
     test_plugin = ClassWithProperties()
     he_pm.register(test_plugin)