🧪 python 3.7 test still fail

.github/workflows/test.yml

@@ -25,6 +25,7 @@ jobs:
           pip install -e .
           pip install pytest
           pip install isort
+          pip install flake8
           pip install "black==22.3.0"
       - name: 🧹 Lint with flake8
         run: |