commit 3df23b5199a4bb237a595cadca6c49d34ab2a56c
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sat Jun 26 16:52:28 2021 -0700
committer GitHub <noreply@github.com> Sat Jun 26 16:52:28 2021 -0700
tree c34b770ff1bca34ce420df73bb7fbbae11b56ffb
parent 6cd369c48f7dbfe4e2c2035011c575b90ad0e7d5

[3.10] bpo-44468: Never skip base classes in `typing.get_type_hints()`, even with invalid `.__module__`. (GH-26862) (GH-26920)



(cherry picked from commit 7569c0fe91dfcf562dee8c29798ecda74d738aa8)


Co-authored-by: will-ca <willchencontact@gmail.com>

Automerge-Triggered-By: GH:gvanrossum

Lib/typing.py

diff --git a/Lib/typing.py b/Lib/typing.py
index 639feee..9540021 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -1700,10 +1700,7 @@ def get_type_hints(obj, globalns=None, localns=None, include_extras=False):
         hints = {}
         for base in reversed(obj.__mro__):
             if globalns is None:
-                try:
-                    base_globals = sys.modules[base.__module__].__dict__
-                except KeyError:
-                    continue
+                base_globals = getattr(sys.modules.get(base.__module__, None), '__dict__', {})
             else:
                 base_globals = globalns
             ann = base.__dict__.get('__annotations__', {})