Reduce complexity and line length for flake8

.github/workflows/python-check.yml

@@ -28,9 +28,7 @@ jobs:
         python -m pip install -r requirements_dev.txt
     - name: Lint with flake8
       run: |
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=88 --statistics
+        flake8 . --count --max-complexity=7 --max-line-length=88 --statistics
     - name: Type check with mypy
       run: |
         mypy pyhon/