  from django.core import validators
  from django.core.exceptions import ValidationError
  from django.core.files.storage import FileSystemStorage
  from django.db import models
  from django.utils import six
  from django.utils._os import upath
  from django.utils.six.moves import range
  
  temp_storage_dir = tempfile.mkdtemp()
  temp_storage = FileSystemStorage(temp_storage_dir)
 
</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 
  from django.core import validators
  from django.core.exceptions import ValidationError
  from django.core.files.storage import FileSystemStorage
  from django.db import models

  from django.utils._os import upath
  from django.utils.six.moves import range
  
  temp_storage_dir = tempfile.mkdtemp()
  temp_storage = FileSystemStorage(temp_storage_dir)
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_forms/models.py