From 1b54077ff6f5c1379e097e9f8e8648da9826d6ec Mon Sep 17 00:00:00 2001
From: Yurii Karabas <1998uriyyo@gmail.com>
Date: Thu, 19 Nov 2020 18:17:38 +0200
Subject: bpo-42345: Fix hash implementation of typing.Literal (GH-23383)

Fix hash implementation of `typing.Literal`.

Update docs regarding `typing.Litaral` caching.

Base implementation was done in PR #23294.
---
 Lib/typing.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Lib/typing.py')

diff --git a/Lib/typing.py b/Lib/typing.py
index d310b3dd58..46c54c4069 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -981,7 +981,7 @@ class _LiteralGenericAlias(_GenericAlias, _root=True):
         return set(_value_and_type_iter(self.__args__)) == set(_value_and_type_iter(other.__args__))
 
     def __hash__(self):
-        return hash(tuple(_value_and_type_iter(self.__args__)))
+        return hash(frozenset(_value_and_type_iter(self.__args__)))
 
 
 class Generic:
-- 
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