Fixed pre-commit

Author: Costya-Y

.github/workflows/py2-py3-packages-ci.yml

@@ -59,7 +59,7 @@ jobs:
       - name: Set up Python 3.7
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.9
       - name: Install dependencies
         run: |
           python -m pip install pip -U