for testing purposes

Author: parthea

.github/workflows/tests.yaml

@@ -234,7 +234,7 @@ jobs:
       - name: Set up Newest Stable Python
         uses: actions/setup-python@v5
         with:
-          python-version: ${{ fromJSON(needs.all_python_setup.outputs.all_python) }}[-1]
+          python-version: ${{ needs.all_python_setup.outputs.all_python && fromJSON(needs.all_python_setup.outputs.all_python) }}[-1]
           cache: 'pip'
       - name: Install system dependencies.
         run: |