diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 698730f53..ae080b628 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -14,6 +14,7 @@ from __future__ import unicode_literals
 
 import warnings
 
+from django.contrib.postgres import fields as postgres_fields
 from django.db import models
 from django.db.models import DurationField as ModelDurationField
 from django.db.models.fields import Field as DjangoModelField
@@ -22,7 +23,7 @@ from django.utils.functional import cached_property
 from django.utils.translation import ugettext_lazy as _
 
 from rest_framework.compat import JSONField as ModelJSONField
-from rest_framework.compat import postgres_fields, unicode_to_repr
+from rest_framework.compat import unicode_to_repr
 from rest_framework.utils import model_meta
 from rest_framework.utils.field_mapping import (
     ClassLookupDict, get_field_kwargs, get_nested_relation_kwargs,