Issue #16706: get rid of os.error
diff --git a/Lib/modulefinder.py b/Lib/modulefinder.py
index 683e305..7418a9ce6 100644
--- a/Lib/modulefinder.py
+++ b/Lib/modulefinder.py
@@ -228,7 +228,7 @@
         for dir in m.__path__:
             try:
                 names = os.listdir(dir)
-            except os.error:
+            except OSError:
                 self.msg(2, "can't list directory", dir)
                 continue
             for name in names: