Use Python 3.10.0 until packages have been fixed by maintainers

Author: echarrod

.github/workflows/tests.yaml

@@ -41,6 +41,8 @@ jobs:
       - uses: actions/checkout@v2
 
       - uses: actions/setup-python@v2.3.1
+        with:
+          python-version: "3.10.0"
 
       - run: pip install -U setuptools==45