Tighten up flake8 tests used by lint_python GitHub Action

.flake8

@@ -1,2 +1,8 @@
 [flake8]
-ignore = E501, W191, E741, E266
+count = True
+# Several of the following could be autofixed or improved by running the code through psf/black
+ignore = E126,E128,E203,E226,E231,E261,E265,E301,E302,E303,E402,E722,F401,F403,F405,F541,F841,W191,W293
+max-complexity = 39
+max-line-length = 236
+show-source = True
+statistics = True

.github/workflows/lint-python.yaml

@@ -20,11 +20,7 @@ jobs:
       - run: python -m pip install --upgrade pip
       - run: pip install flake8
       - name: Lint with flake8
-        run: |
-          # stop the build if there are Python syntax errors
-          flake8 . --count --select=E9,F63,F7 --show-source --statistics
-          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+        run: flake8  # See the .flake8 file for runtime parameters
   pytest:
     runs-on: ubuntu-latest
     container: