Merge branch '3927-calendars-do-not-match' into 'dev_cooperatic'

3927 calendars do not match

See merge request !199
2 jobs from dev_cooperatic in 1 minute 26 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #3958
lint:js

00:23

passed #3959
unit:django

01:02