Update python-ci.yml

Author: drfb02

.github/workflows/python-ci.yml

@@ -11,13 +11,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: "3.11"
+
       - name: Install deps
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-      - name: Tests
-        run: pytest -q
+
+      - name: Run tests
+        env:
+          PYTHONPATH: ${{ github.workspace }}
+        run: |
+          pytest -q
+