From b45e6cfbf655e1c667537b9d6b906330f22fc544 Mon Sep 17 00:00:00 2001
From: Shannon Zhu <szhu@fb.com>
Date: Wed, 22 Jul 2020 17:31:21 -0700
Subject: [PATCH] Make TypeAlias stub a valid annotation (#4354)

---
 third_party/2and3/typing_extensions.pyi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/third_party/2and3/typing_extensions.pyi b/third_party/2and3/typing_extensions.pyi
index 3342c06af..4a0f97215 100644
--- a/third_party/2and3/typing_extensions.pyi
+++ b/third_party/2and3/typing_extensions.pyi
@@ -92,4 +92,4 @@ Annotated: _SpecialForm = ...
 _AnnotatedAlias: Any = ...  # undocumented
 
 # TypeAlias is a (non-subscriptable) special form.
-TypeAlias: object
+class TypeAlias: ...