From 16919e21936179e53df2f376c8b59b5fc44bd2dd Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Date: Fri, 15 Jan 2021 09:22:52 -0500
Subject: [PATCH] Fix for Python 3.9+.

Fixes <https://github.com/ilevkivskyi/typing_inspect/issues/60>.

Based on an idea in
https://github.com/ilevkivskyi/typing_inspect/issues/60#issuecomment-683187584.
---
 typing_inspect.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/typing_inspect.py b/typing_inspect.py
index 1ca68ed..31d05ee 100644
--- a/typing_inspect.py
+++ b/typing_inspect.py
@@ -21,7 +21,7 @@ LEGACY_TYPING = False
 
 if NEW_TYPING:
     from typing import (
-        Generic, Callable, Union, TypeVar, ClassVar, Tuple, _GenericAlias, ForwardRef
+        Generic, Callable, Union, TypeVar, ClassVar, Tuple, _GenericAlias, _SpecialGenericAlias, ForwardRef
     )
     from typing_extensions import Literal
 else:
@@ -75,7 +75,7 @@ def is_generic_type(tp):
     """
     if NEW_TYPING:
         return (isinstance(tp, type) and issubclass(tp, Generic) or
-                isinstance(tp, _GenericAlias) and
+                (isinstance(tp, _GenericAlias) or isinstance(tp, _SpecialGenericAlias)) and
                 tp.__origin__ not in (Union, tuple, ClassVar, collections.abc.Callable))
     return (isinstance(tp, GenericMeta) and not
             isinstance(tp, (CallableMeta, TupleMeta)))
-- 
2.29.2

0b34daf660ea615e17'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/ChangeLog'>
<input type='hidden' name='id' value='4a53c19a325e7192c5aa6b0b34daf660ea615e17'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=4a53c19a325e7192c5aa6b0b34daf660ea615e17'>root</a>/<a href='/guix/log/ChangeLog?id=4a53c19a325e7192c5aa6b0b34daf660ea615e17'>ChangeLog</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/ChangeLog?id=4a53c19a325e7192c5aa6b0b34daf660ea615e17&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>