maybe permanent fix

Author: jaylann

.github/workflows/python-app.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
-          python-version: 3.7
+          python-version: ${{ matrix.python-version }}
 
       - name: Install dependencies
         run: |