flake8 doesn't understand @typing.overload

Author: wolph

setup.cfg

@@ -32,7 +32,7 @@ sign = 1
 [flake8]
 per-file-ignores =
     python_utils/types.py: F403,F405
-ignore = W391, W503, E741, E203
+ignore = W391, W503, E741, E203, F811
 exclude =
     docs