motu81/munin_master_admin — pull request #3 by drscream (2014-10-15 11:13:49+00:00)
Title: Be sure the node name and group name are unique.

I don't think we need multible groups and nodes with the same name. If you've already some version running it maybe requires a migration of the database by running the following commands:

manage.py makemigrations
manage.py migrate