  
  from rest_framework import filters, generics, serializers
  from rest_framework.test import APIRequestFactory
  
  factory = APIRequestFactory()
  
  
 
</s>
from rest_framework.compat import coreschema
  
  from rest_framework import filters, generics, serializers
from rest_framework.compat import coreschema
  from rest_framework.test import APIRequestFactory
  
  factory = APIRequestFactory()
  
  
keep add keep keep keep keep keep
 Add "optionals not required" build (#6047)
tests/test_filters.py