      TimeField, URLField,
  )
  from django.db.models.fields.files import FileField, ImageField
  from django.test import SimpleTestCase
  from django.utils import six
  from django.utils.functional import lazy
  
  
  class PromiseTest(SimpleTestCase):
  
 
</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 
      TimeField, URLField,
  )
  from django.db.models.fields.files import FileField, ImageField
  from django.test import SimpleTestCase

  from django.utils.functional import lazy
  
  
  class PromiseTest(SimpleTestCase):
  
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_fields/test_promises.py