Remove deprecation warning on Django 2.0 and newer
Remove deprecation warning on Django 2.0 and newer

respondcreate/django-versatileimagefield,respondcreate/django-versatileimagefield,WGBH/django-versatileimagefield,respondcreate/django-versatileimagefield,WGBH/django-versatileimagefield,WGBH/django-versatileimagefield