Detect all errors

Author: Richardk2n

.github/workflows/python-package.yml

@@ -37,9 +37,7 @@ jobs:
     - 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
-        # exit-zero treats all errors as warnings
-        flake8 . --count --exit-zero --statistics
+        flake8 . --count --show-source --statistics
     - name: Check black formatting
       run: |
         # stop the build if black detect any changes