Merge remote-tracking branch 'origin/master'

.github/workflows/python-app.yml

@@ -27,7 +27,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install flake8 pytest
-        pip install -r src\requirements.txt
+        pip install -r src/requirements.txt
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names