Dont require typing-extensions in 3.10 (GH-2772)

3.10 ships with TypeGuard which is the newest feature we need. Co-authored-by: Richard Si <63936253+ichard26@users.noreply.github.com>
psf · Jan 15, 2022 · 5fe6d48 · 5fe6d48
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diff --git a/CHANGES.md b/CHANGES.md
@@ -34,6 +34,7 @@
 ### Packaging
 
 - All upper version bounds on dependencies have been removed (#2718)
+- `typing-extensions` is no longer a required dependency in Python 3.10+ (#2772)
 
 ### Integrations
 

diff --git a/setup.py b/setup.py
@@ -103,10 +103,7 @@ def find_python_files(base: Path) -> List[Path]:
         "typed-ast>=1.4.2; python_version < '3.8' and implementation_name == 'cpython'",
         "pathspec>=0.9.0",
         "dataclasses>=0.6; python_version < '3.7'",
-        "typing_extensions>=3.10.0.0",
-        # 3.10.0.1 is broken on at least Python 3.10,
-        # https://github.com/python/typing/issues/865
-        "typing_extensions!=3.10.0.1; python_version >= '3.10'",
+        "typing_extensions>=3.10.0.0; python_version < '3.10'",
         "mypy_extensions>=0.4.3",
     ],
     extras_require={