Update python-app.yml

Nothing sticks to the wall

.github/workflows/python-app.yml

@@ -22,13 +22,13 @@ jobs:
     - name: Set up Python 3.10
       uses: actions/setup-python@v3
       with:
-        python-version: "3.10"
+        python-version: "3.9"
     - name: show python path
       run: |
         python -c "import sys; print('\n'.join(sys.path))"
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip -r requirements.txt
+        python -m pip install --upgrade pip
         pip install -r requirements.txt
         pip install flake8 pytest
     - name: Check package location