diff --git a/runtests.py b/runtests.py
index 968c344f8..19513cdbf 100755
--- a/runtests.py
+++ b/runtests.py
@@ -114,4 +114,4 @@ if __name__ == "__main__":
         exit_on_failure(flake8_main(FLAKE8_ARGS))
 
     if run_isort:
-        exit_on_failure(isort_main(ISORT_ARGS))
\ No newline at end of file
+        exit_on_failure(isort_main(ISORT_ARGS))
diff --git a/setup.py b/setup.py
index 379034b06..1eb7b19e9 100755
--- a/setup.py
+++ b/setup.py
@@ -110,4 +110,4 @@ setup(
 #     Doing so helps ensure your question is helpful to other users.
 #     Queries directly to my email are likely to receive a canned response.
 #
-#     Many thanks for your understanding.
\ No newline at end of file
+#     Many thanks for your understanding.
diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index 182e9448d..8a1c808e4 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -3,8 +3,8 @@ from django.utils import translation
 from django.utils.translation import gettext_lazy as _
 
 from rest_framework.exceptions import (
-    APIException, ErrorDetail, Throttled, _get_error_details, bad_request,
-    server_error, ValidationError
+    APIException, ErrorDetail, Throttled, ValidationError, _get_error_details,
+    bad_request, server_error
 )
 
 
@@ -73,10 +73,8 @@ class ErrorDetailTests(TestCase):
         assert ErrorDetail('msg1', 'code') != 'msg2'
 
     def test_repr(self):
-        assert repr(ErrorDetail('msg1')) == \
-               'ErrorDetail(string={!r}, code=None)'.format('msg1')
-        assert repr(ErrorDetail('msg1', 'code')) == \
-               'ErrorDetail(string={!r}, code={!r})'.format('msg1', 'code')
+        assert repr(ErrorDetail('msg1')) == 'ErrorDetail(string={!r}, code=None)'.format('msg1')
+        assert repr(ErrorDetail('msg1', 'code')) == 'ErrorDetail(string={!r}, code={!r})'.format('msg1', 'code')
 
     def test_str(self):
         assert str(ErrorDetail('msg1')) == 'msg1'