add issue number to comments

Author: Fidget-Spinner

Lib/tempfile.py

@@ -826,8 +826,8 @@ def resetperms(path):
                         cls._rmtree(path, ignore_errors=ignore_errors)
                     # PermissionError is raised on FreeBSD for directories
                     except PermissionError:
-                        # On Windows, calling _rmtree again will raise
-                        # NotADirectoryError and mask the PermissionError.
+                        # bpo-43153: On Windows, calling _rmtree again will
+                        # raise NotADirectoryError and mask the PermissionError.
                         # So we must re-raise the current PermissionError.
                         if _os.name == 'nt' and not _os.path.isdir(path):
                             if ignore_errors:

Lib/test/test_tempfile.py

@@ -1465,7 +1465,7 @@ def test_explicit_cleanup_correct_error(self):
         with tempfile.TemporaryDirectory() as working_dir:
             temp_dir = self.do_create(dir=working_dir)
             with open(os.path.join(temp_dir.name, "example.txt"), 'wb'):
-                # Used to raise NotADirectoryError on Windows.
+                # Used to raise NotADirectoryError on Windows. See bpo-43153.
                 with self.assertRaises(PermissionError):
                     temp_dir.cleanup()