fixing python work flow, updating requirements

.github/workflows/py_ci.yaml

@@ -36,7 +36,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements_dev.txt
+          pip install -r requirements.txt
       # - run: |
       #     pylint $(git ls-files '*.py') # todo: fix linting
       - name: Test with pytest