forms.ChangeLanguageForm: Fix redirect for crispy form

4 jobs for master in 11 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #104399
py27-django111

00:00:09

passed #104400
py36-django111

00:00:10

passed #104401
py36-django21

00:00:10

passed #104402
py36-django22

00:00:10