Issue #14605: Use None in sys.path_importer_cache to represent no
finder instead of using some (now non-existent) implicit finder.
diff --git a/Misc/NEWS b/Misc/NEWS
index 373f59d..f3bec95 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -14,9 +14,9 @@
sys.meta_path is found to be empty, raise ImportWarning.
- Issue #14605: No longer have implicit entries in sys.path_hooks. If
- sys.path_hooks is found to be empty, a warning will be raised. If None is
- found in sys.path_importer_cache, a warning is raised and a search on
- sys.path_hooks is attempted.
+ sys.path_hooks is found to be empty, a warning will be raised. None is now
+ inserted into sys.path_importer_cache if no finder was discovered. This also
+ means imp.NullImporter is no longer implicitly used.
- Issue #13903: Implement PEP 412. Individual dictionary instances can now share
their keys with other dictionaries. Classes take advantage of this to share