--- a/src/eric7/Plugins/CheckerPlugins/CodeStyleChecker/CodeStyleCheckerDialog.py	Sun Dec 18 14:19:10 2022 +0100
+++ b/src/eric7/Plugins/CheckerPlugins/CodeStyleChecker/CodeStyleCheckerDialog.py	Sun Dec 18 19:33:46 2022 +0100
@@ -30,6 +30,7 @@
 from eric7 import Preferences, Utilities
 from eric7.EricGui import EricPixmapCache
 from eric7.EricWidgets.EricApplication import ericApp
+from eric7.SystemUtilities import FileSystemUtilities
 
 from . import CodeStyleCheckerUtilities, pycodestyle
 from .Annotations.AnnotationsCheckerDefaults import AnnotationsCheckerDefaultArgs
@@ -787,7 +788,9 @@
             self.files = []
             extensions = set(Preferences.getPython("Python3Extensions"))
             for ext in extensions:
-                self.files.extend(Utilities.direntries(fn, True, "*{0}".format(ext), 0))
+                self.files.extend(
+                    FileSystemUtilities.direntries(fn, True, "*{0}".format(ext), 0)
+                )
         else:
             self.files = [fn]