diff options
Diffstat (limited to 'Lib/importlib')
| -rw-r--r-- | Lib/importlib/_bootstrap_external.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py index 420ecc8..da9a75c 100644 --- a/Lib/importlib/_bootstrap_external.py +++ b/Lib/importlib/_bootstrap_external.py @@ -1181,8 +1181,10 @@ class PathFinder: def invalidate_caches(cls): """Call the invalidate_caches() method on all path entry finders stored in sys.path_importer_caches (where implemented).""" - for finder in sys.path_importer_cache.values(): - if hasattr(finder, 'invalidate_caches'): + for name, finder in list(sys.path_importer_cache.items()): + if finder is None: + del sys.path_importer_cache[name] + elif hasattr(finder, 'invalidate_caches'): finder.invalidate_caches() @classmethod |