Merge pull request #2 from phryq/tests

add linting to github workflow

Author: ccleberg

.github/workflows/python-app.yml

@@ -19,7 +19,13 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pytest
+        pip install pytest flake8
+    - 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
+        # Treat all errors as warnings and set complexity and line length limits
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: Run tests
       run: |
         pytest