Pinned flake8 == 3.9.2 in GitHub actions.
See
@@ -21,7 +21,7 @@ jobs:
uses: actions/setup-python@v2
with:
python-version: 3.9
- - run: python -m pip install flake8
+ - run: python -m pip install flake8==3.9.2
- name: flake8
uses: liskin/gh-problem-matcher-wrap@v1
with:
