GitLab

changed tox.ini to run notebooks from the tox envdir (.tox/notebooks) so they don't overwrite those in your local copy.  Updated the notebooks to load env files from the package mechanism importlib_resources.  This now gets them from the copy of env_data down in the tox python virtualenv.

close_following seems to be working.  increased window size. set old_position to None for a done agent so it disappears from rendered image