From: Noah Wood <26890744+JohnnyHobo@users.noreply.github.com>
Date: Mon, 8 Oct 2018 18:50:16 +0000 (-0400)
Subject: bpo-34921: Allow escaped NoReturn in get_type_hints (GH-9750)
X-Git-Tag: v3.8.0a1~813
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5eea0ad50c32d38909ff4e29309e2cc3c6ccb2c0;p=thirdparty%2FPython%2Fcpython.git

bpo-34921: Allow escaped NoReturn in get_type_hints (GH-9750)
---

diff --git a/Lib/typing.py b/Lib/typing.py
index 445a42492b6b..cfcbb3b76328 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -130,7 +130,7 @@ def _type_check(arg, msg, is_argument=True):
     if (isinstance(arg, _GenericAlias) and
             arg.__origin__ in invalid_generic_forms):
         raise TypeError(f"{arg} is not valid as type argument")
-    if (isinstance(arg, _SpecialForm) and arg is not Any or
+    if (isinstance(arg, _SpecialForm) and arg not in (Any, NoReturn) or
             arg in (Generic, _Protocol)):
         raise TypeError(f"Plain {arg} is not valid as type argument")
     if isinstance(arg, (type, TypeVar, ForwardRef)):