      modelformset_factory,
  )
  from django.forms.utils import ErrorDict, ErrorList
  from django.test import TestCase
  from django.utils import six
  
  from .models import (
      Host, Manager, Network, ProfileNetwork, Restaurant, User, UserProfile,
      UserSite,
  )
 
</s> remove from django.utils import six
 </s> add  </s> remove from django.utils import six
 </s> add  </s> remove from django.utils import six
 </s> add  </s> remove from django.utils import six
 </s> add  </s> remove from django.utils import six
 </s> add 
      modelformset_factory,
  )
  from django.forms.utils import ErrorDict, ErrorList
  from django.test import TestCase

  
  from .models import (
      Host, Manager, Network, ProfileNetwork, Restaurant, User, UserProfile,
      UserSite,
  )
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed six.<various>_types usage

Thanks Tim Graham and Simon Charette for the reviews. 
tests/model_formsets_regress/tests.py