Update main.yml

Author: mcbarton

.github/workflows/main.yml

@@ -336,6 +336,10 @@ jobs:
                          --contents notebooks/audio/audio.wav &
           python -m pip install nbdime
           python -m pip install selenium
+          # This sleep is to force enough time for the jupyter site to build before trying
+          # to run notebooks in it. If you try to run the notebooks before the website is
+          # ready the ci python script will crash saying ti cannot access the url
+          sleep 10
           python scripts/automated-notebook-run-script.py --driver chrome
           nbdiff notebooks/smallpt.ipynb $HOME/Downloads/smallpt.ipynb
           rm $HOME/Downloads/smallpt.ipynb