diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 0ab1939f4..a2a4e3bf2 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -23,7 +23,7 @@ from rest_framework import ISO_8601
 from rest_framework.compat import (
     EmailValidator, MaxLengthValidator, MaxValueValidator, MinLengthValidator,
     MinValueValidator, OrderedDict, URLValidator, duration_string,
-    parse_duration, unicode_repr, unicode_to_repr, get_filepathfield
+    get_filepathfield, parse_duration, unicode_repr, unicode_to_repr
 )
 from rest_framework.exceptions import ValidationError
 from rest_framework.settings import api_settings