bugfix in Github CI

.github/workflows/python-package.yml

@@ -27,7 +27,6 @@ jobs:
       - name: Test with pytest
         run: |
           pip install -r ./requirements/requirements_test.txt
-          pip install -r ./requirements/requirements_dev.txt
           pip install -r ./requirements/requirements.txt
           pip install pytest pytest-cov
           pytest tests --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html