Add config for pylint, add lint task to CI

Edit the config file at .github/workflows to ignore beauty standards since most code is auto generated. Remove six.PY3 statements since we only care about Python 3.

The pylint job now runs in 2 minutes and returns no errors.

Author: BoxG11

.github/workflows/pytest.yml

@@ -23,3 +23,6 @@ jobs:
     - name: Test with pytest
       run: |
         pytest
+    - name: Analysing the code with pylint
+      run: |
+        pylint $(git ls-files '*.py')