CircleCI: Add more flake8 tests

Author: cclauss

.circleci/config.yml

@@ -6,7 +6,7 @@ my-steps: &steps
   - run: sudo pip install flake8 pytest
   - run: python --version ; pip --version ; pwd ; ls -l
   # stop the build if there are Python syntax errors or undefined names
-  - run: flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
+  - run: flake8 . --count --select=E9,F63,F72,F82 --show-source --statistics
   # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
   - run: flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
   #- run: pytest # test_s2gs test_replays