  
  __all__ = ['JSONField']
  
  
  class InvalidJSONInput(six.text_type):
      pass
  
  
  class JSONString(six.text_type):
      pass
 
</s> remove class JSONString(six.text_type):
 </s> add class JSONString(str): </s> remove from django.utils import six
 </s> add  </s> remove from django.utils import six
 </s> add  </s> remove         return six.text_type(name)
 </s> add         return str(name) </s> remove         elif isinstance(srs_input, six.integer_types):
 </s> add         elif isinstance(srs_input, int):
class InvalidJSONInput(str):
  
  __all__ = ['JSONField']
  
  
class InvalidJSONInput(str):
      pass
  
  
  class JSONString(six.text_type):
      pass
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. 
django/contrib/postgres/forms/jsonb.py