  
  import datetime
  
  from django.test import TestCase
  
  from rest_framework import serializers
  
 
</s>
import six
  
  import datetime
import six
  
  from django.test import TestCase
  
  from rest_framework import serializers
  
keep add keep keep keep keep keep
 Every (base) test should now pass with python3.
rest_framework/tests/files.py