try

Author: JelleZijlstra

.github/workflows/ci.yml

@@ -60,17 +60,16 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: astral-sh/setup-uv@v5
         with:
           python-version: ${{ matrix.python-version }}
-          allow-prereleases: true
 
       - name: Test typing_extensions
         run: |
           # Be wary of running `pip install` here, since it becomes easy for us to
           # accidentally pick up typing_extensions as installed by a dependency
           cd src
-          python -m unittest test_typing_extensions.py
+          $UV_PYTHON -m unittest test_typing_extensions.py
 
       - name: Test CPython typing test suite
         # Test suite fails on PyPy even without typing_extensions
@@ -79,7 +78,7 @@ jobs:
           cd src
           # Run the typing test suite from CPython with typing_extensions installed,
           # because we monkeypatch typing under some circumstances.
-          python -c 'import typing_extensions; import test.__main__' test_typing -v
+          $UV_PYTHON -c 'import typing_extensions; import test.__main__' test_typing -v
 
   linting:
     name: Lint