  from django.test import TestCase
  from django.utils import six
  
  from rest_framework import serializers
  from rest_framework.compat import set_many, unicode_repr
  
  
  def dedent(blocktext):
      return '\n'.join([line[12:] for line in blocktext.splitlines()[1:-1]])
  
 
</s> remove from rest_framework.compat import set_many
 </s> add  </s> remove from django.template import Template, TemplateDoesNotExist
 </s> add from django.template import TemplateDoesNotExist, engines </s> remove from rest_framework.compat import is_anonymous
 </s> add  </s> remove from rest_framework.compat import get_names_and_managers, unicode_repr
 </s> add from rest_framework.compat import unicode_repr </s> remove from rest_framework.compat import (
    coreapi, coreschema, distinct, guardian, template_render
)
 </s> add from rest_framework.compat import coreapi, coreschema, distinct, guardian
from rest_framework.compat import unicode_repr
  from django.test import TestCase
  from django.utils import six
  
  from rest_framework import serializers
from rest_framework.compat import unicode_repr
  
  
  def dedent(blocktext):
      return '\n'.join([line[12:] for line in blocktext.splitlines()[1:-1]])
  
keep keep keep keep replace keep keep keep keep keep
 Remove Django 1.8 & 1.9 compatibility code (#5481)

* Identify code that needs to be pulled out of/removed from compat.py

* Extract modern code from get_names_and_managers in compat.py and remove compat code

* Extract modern code from is_authenticated() in compat.py and remove.

* Extract modern code from is_anonymous() in compat.py and remove

* Extract modern code from get_related_model() from compat.py and remove

* Extract modern code from value_from_object() in compat.py and remove

* Update postgres compat

JSONField now always available.

* Remove DecimalValidator compat

* Remove get_remote_field compat

* Remove template_render compat

Plus isort.

* Remove set_many compat

* Remove include compat 
tests/test_model_serializer.py