From 2c39991ace6814dd09f829f989076fc804da00ea Mon Sep 17 00:00:00 2001
From: Jordan Cook <jordan.cook.git@proton.me>
Date: Fri, 17 Nov 2023 13:08:45 -0600
Subject: [PATCH 1/2] Import typing_extensions.TypeAlias only on python < 3.11

---
 HISTORY.md             |  4 ++++
 src/cattrs/_compat.py  | 14 +++++++++++++-
 src/cattrs/dispatch.py |  3 ++-
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/HISTORY.md b/HISTORY.md
index 46cc0d03..23352fda 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,4 +1,8 @@
 # History
+## 23.2.1 (UNRELEASED)
+
+- Fix unnecessary `typing_extensions` import on Python 3.11.
+  ([#446](https://github.com/python-attrs/cattrs/issues/446))
 
 ## 23.2.0 (2023-11-17)
 
diff --git a/src/cattrs/_compat.py b/src/cattrs/_compat.py
index 8cd437f3..428734d7 100644
--- a/src/cattrs/_compat.py
+++ b/src/cattrs/_compat.py
@@ -20,7 +20,13 @@
 from attrs import fields as attrs_fields
 from attrs import resolve_types
 
-__all__ = ["ExceptionGroup", "ExtensionsTypedDict", "TypedDict", "is_typeddict"]
+__all__ = [
+    "ExceptionGroup",
+    "ExtensionsTypedDict",
+    "TypedDict",
+    "TypeAlias",
+    "is_typeddict",
+]
 
 try:
     from typing_extensions import TypedDict as ExtensionsTypedDict
@@ -39,6 +45,12 @@
     assert sys.version_info >= (3, 10)
     from typing import is_typeddict as _is_typeddict
 
+try:
+    from typing_extensions import TypeAlias
+except ImportError:
+    assert sys.version_info >= (3, 11)
+    from typing import TypeAlias
+
 
 def is_typeddict(cls):
     """Thin wrapper around typing(_extensions).is_typeddict"""
diff --git a/src/cattrs/dispatch.py b/src/cattrs/dispatch.py
index 74502b80..2aa525a8 100644
--- a/src/cattrs/dispatch.py
+++ b/src/cattrs/dispatch.py
@@ -2,7 +2,8 @@
 from typing import Any, Callable, Dict, Generic, List, Optional, Tuple, TypeVar, Union
 
 from attrs import Factory, define, field
-from typing_extensions import TypeAlias
+
+from cattrs._compat import TypeAlias
 
 T = TypeVar("T")
 

From 92988037c25ffba1a76865dafebc3653d3ae4ea6 Mon Sep 17 00:00:00 2001
From: Tin Tvrtkovic <tinchester@gmail.com>
Date: Fri, 17 Nov 2023 20:53:39 +0100
Subject: [PATCH 2/2] Tweak history

---
 HISTORY.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/HISTORY.md b/HISTORY.md
index 23352fda..69f8a3c1 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,8 +1,9 @@
 # History
+
 ## 23.2.1 (UNRELEASED)
 
 - Fix unnecessary `typing_extensions` import on Python 3.11.
-  ([#446](https://github.com/python-attrs/cattrs/issues/446))
+  ([#446](https://github.com/python-attrs/cattrs/issues/446) [#447](https://github.com/python-attrs/cattrs/pull/447))
 
 ## 23.2.0 (2023-11-17)