Merge pull request twisted#1346 from twisted/9902-rodrigc-mypy

[mypy] [9902] Fix mypy error in decorator.py Author: rodrigc Reviewer: wsanchez Fixes: ticket:9902
devkral · Jul 16, 2020 · 9e0adce · 9e0adce
2 parents 7adb468 + 3a862c6
commit 9e0adce
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diff --git a/src/twisted/newsfragments/9902.misc b/src/twisted/newsfragments/9902.misc
@@ -0,0 +1 @@
+
diff --git a/src/twisted/python/deprecate.py b/src/twisted/python/deprecate.py
@@ -851,7 +851,7 @@ def checkDeprecatedParameter(*args, **kwargs):
                 if name in kwargs:
                     warn(warningString, DeprecationWarning, stacklevel=2)
                 return wrappee(*args, **kwargs)
-        decorated = wraps(wrappee)(checkDeprecatedParameter)
+        decorated = typing.cast(_Tc, wraps(wrappee)(checkDeprecatedParameter))
         _appendToDocstring(decorated, doc)
         return decorated
     return wrapper