fix: flake8 Error

.github/workflows/release-please.yml

@@ -42,7 +42,7 @@ jobs:
         pip install flake8 pytest
     - name: Analysing the code with pylint
       run: |
-        flake8 --ignore E501,W503 $(git ls-files '*.py')
+        flake8 --ignore E402,E501,W503 $(git ls-files '*.py')
     - name: Run test
       run: |
         python3 -m pytest -p no:warnings