Update python-package.yml

.github/workflows/python-package.yml

@@ -28,7 +28,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install --upgrade pytest
-        python -m pip install requirements.txt
+        python -m pip install -r requirements.txt
     - name: Test with pytest
       run: |
         python tests.py