More debug info

Author: hansthen

.github/workflows/test_streamlit_folium.yml

@@ -63,6 +63,7 @@ jobs:
         cd streamlit_folium
         pip install -e . --no-deps --force-reinstall
         python -c "from folium.plugins import draw; print(draw.__file__)"
+        python -c "from folium.plugins import draw; print(open(draw.__file__).read())"
         pytest tests/test_frontend.py --browser chromium -s --reruns 3 --junit-xml=test-results.xml
 
     - name: Surface failing tests