Update python-tests.yml

.github/workflows/python-tests.yml

@@ -31,7 +31,7 @@ jobs:
       run: |
         # python -m pip install --upgrade pip setuptools wheel
         # python -m pip install poetry
-        poetry install --without dev, torch-cuda
+        poetry install --without dev,torch-cuda
         poetry add flake8 pytest
     - name: Lint with flake8
       working-directory: ./backend