diff --git a/rest_framework/schemas.py b/rest_framework/schemas.py
index 802942d04..f89f347ac 100644
--- a/rest_framework/schemas.py
+++ b/rest_framework/schemas.py
@@ -1,6 +1,6 @@
+import re
 from collections import OrderedDict
 from importlib import import_module
-import re
 
 from django.conf import settings
 from django.contrib.admindocs.views import simplify_regex
@@ -23,7 +23,6 @@ from rest_framework.utils import formatting
 from rest_framework.utils.model_meta import _get_pk
 from rest_framework.views import APIView
 
-
 header_regex = re.compile('^[a-zA-Z][0-9A-Za-z_]*:')