  from __future__ import unicode_literals
  
  from django.core.validators import MaxValueValidator, MinValueValidator
  from django.db import models
  from django.test import TestCase
  
  from rest_framework import (
      exceptions, metadata, serializers, status, versioning, views
 
</s>
import pytest
  from __future__ import unicode_literals
  
import pytest
  from django.core.validators import MaxValueValidator, MinValueValidator
  from django.db import models
  from django.test import TestCase
  
  from rest_framework import (
      exceptions, metadata, serializers, status, versioning, views
keep add keep keep keep keep keep keep
 Add remaining tests for metadata (#4855)
tests/test_metadata.py