Workflow debug

.github/workflows/documentation.yml

@@ -14,6 +14,11 @@ jobs:
     - uses: actions/checkout@v2
     #- name: Setup tmate session   # Debugging
     #  uses: mxschmitt/action-tmate@v3
+    - name: setup python
+      working-directory: ./
+      run: |
+        pip install -r requirements.txt
+        pip install .
     - name: build doc tables
       working-directory: ./doc
       run: |