From 486f098c847907ccdb200e44d716ce0f9a8162f9 Mon Sep 17 00:00:00 2001
From: Daniel Sperber <github.blurry@9ox.net>
Date: Wed, 26 Mar 2025 09:20:12 +0100
Subject: [PATCH 1/2] fix: duplicated keywords for
 typing._ConcatenateGenericAlias
 https://github.com/python/typing_extensions/issues/556

---
 src/typing_extensions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/typing_extensions.py b/src/typing_extensions.py
index d2fb245b..8333d890 100644
--- a/src/typing_extensions.py
+++ b/src/typing_extensions.py
@@ -2072,7 +2072,7 @@ def _create_concatenate_alias(origin, parameters):
     if parameters[-1] is ... and sys.version_info < (3, 9, 2):
         # Hack: Arguments must be types, replace it with one.
         parameters = (*parameters[:-1], _EllipsisDummy)
-    if sys.version_info >= (3, 10, 2):
+    if sys.version_info >= (3, 10, 3):
         concatenate = _ConcatenateGenericAlias(origin, parameters,
                                         _typevar_types=(TypeVar, ParamSpec),
                                         _paramspec_tvars=True)

From afb9fc81fdfb0f1e1e7ec8f5a7c66effbdf1c882 Mon Sep 17 00:00:00 2001
From: Daniel Sperber <github.blurry@9ox.net>
Date: Wed, 26 Mar 2025 09:35:17 +0100
Subject: [PATCH 2/2] Add changelog entry

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98f7bcdf..df2f24cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# Unreleased
+
+Bugfixes and changed features:
+- Fix regression in 4.13.0 on Python 3.10.2 causing a `TypeError` when using `Concatenate`.
+  Patch by [Daraan](https://github.com/Daraan).
+
 # Release 4.13.0 (March 25, 2025)
 
 No user-facing changes since 4.13.0rc1.