Thank you guys, I got the error, I installed the package and installed it in my settings but after uninstall forgot to remove it.
Thanks -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/2b2bdaba-3e54-47d5-8a1e-1d7a12a87612%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
