Update ci.yml

Author: stuck-inadream

.github/workflows/ci.yml

@@ -7,16 +7,15 @@ jobs:
     runs-on: ubuntu-latest
     env:
       PYTEST_DISABLE_PLUGIN_AUTOLOAD: "1"
+      PYTHONPATH: ${{ github.workspace }}:${{ github.workspace }}/src:${{ github.workspace }}/challenges:${{ github.workspace }}/tools
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-
       - name: Install deps
         run: |
           python -m pip install --upgrade pip
           pip install pytest==8.3.3 z3-solver==4.13.0.0 gradio==4.44.0
-
       - name: Run tests
         run: pytest -ra