Remove ContentType import fallback

rest_framework/compat.py

@@ -90,16 +90,6 @@ except ImportError:
     from django.db.models import get_model
 
 
-# Import path changes from 1.7 onwards.
-try:
-    from django.contrib.contenttypes.fields import (
-        GenericForeignKey, GenericRelation
-    )
-except ImportError:
-    from django.contrib.contenttypes.generic import (
-        GenericForeignKey, GenericRelation
-    )
-
 # django-filter is optional
 try:
     import django_filters

tests/test_relations_generic.py

 from __future__ import unicode_literals
 
+from django.contrib.contenttypes.fields import (
+    GenericForeignKey, GenericRelation
+)
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.test import TestCase
 from django.utils.encoding import python_2_unicode_compatible
 
 from rest_framework import serializers
-from rest_framework.compat import GenericForeignKey, GenericRelation
 
 
 @python_2_unicode_compatible