old_contents: import json
  
  from django.test import TestCase
  
  from rest_framework import status
  
  from tests.models import TestModel
  
  
  class ProxyPaginationTests(TestCase):
      """
      Tests for drf-proxy-pagination
      """
      def setUp(self):
          for n in range(200):
              TestModel.objects.create(n=n)
  
      def test_without_pager_param(self):
          resp = self.client.get('/data/', HTTP_ACCEPT='application/json')
          self.assertEqual(resp.status_code, status.HTTP_200_OK)
          self.assertEqual(resp['Content-Type'], 'application/json')
          content = json.loads(resp.content)
          self.assertIn('next', content)
          self.assertIn('count', content)
          self.assertIn('page=', content['next'])
          self.assertNotIn('cursor=', content['next'])
  
      def test_with_pager_param(self):
          resp = self.client.get('/data/?pager=cursor', HTTP_ACCEPT='application/json')
          self.assertEqual(resp.status_code, status.HTTP_200_OK)
          self.assertEqual(resp['Content-Type'], 'application/json')
          self.assertNotIn('count', resp.content)
          content = json.loads(resp.content)
          self.assertIn('next', content)
          self.assertNotIn('page=', content['next'])
          self.assertIn('cursor=', content['next'])
  
new_contents: import json
  
  from django.test import TestCase
  from django.utils import six
  
  from rest_framework import status
  
  from tests.models import TestModel
  
  
  class ProxyPaginationTests(TestCase):
      """
      Tests for drf-proxy-pagination
      """
      def setUp(self):
          for n in range(200):
              TestModel.objects.create(n=n)
  
      def test_without_pager_param(self):
          resp = self.client.get('/data/', HTTP_ACCEPT='application/json')
          self.assertEqual(resp.status_code, status.HTTP_200_OK)
          self.assertEqual(resp['Content-Type'], 'application/json')
          content = json.loads(str(resp.content, encoding='utf8') if six.PY3 else resp.content)
          self.assertIn('next', content)
          self.assertIn('count', content)
          self.assertIn('page=', content['next'])
          self.assertNotIn('cursor=', content['next'])
  
      def test_with_pager_param(self):
          resp = self.client.get('/data/?pager=cursor', HTTP_ACCEPT='application/json')
          self.assertEqual(resp.status_code, status.HTTP_200_OK)
          self.assertEqual(resp['Content-Type'], 'application/json')
          content = json.loads(str(resp.content, encoding='utf8') if six.PY3 else resp.content)
          self.assertIn('next', content)
          self.assertNotIn('count', content)
          self.assertNotIn('page=', content['next'])
          self.assertIn('cursor=', content['next'])
  
subject: Fix tests failing with Python 3