passlib: fix MutableMapping import (#7479)

JelleZijlstra · web-flow · commit c89236d1cfdf · 2022-03-12T19:18:48.000-08:00
Found by #7478
diff --git a/stubs/passlib/passlib/pwd.pyi b/stubs/passlib/passlib/pwd.pyi
@@ -1,5 +1,5 @@
 from abc import abstractmethod
-from collections import MutableMapping
+from collections.abc import MutableMapping
 from typing import Any
 
 class SequenceGenerator:
