diff --git a/tests/test_aps.py b/tests/test_aps.py
index 4e460db..833925e 100644
--- a/tests/test_aps.py
+++ b/tests/test_aps.py
@@ -174,12 +174,13 @@ def test_authors(results):
                          'raw_name': u'James P. Sethna',
                          'surname': u'Sethna'}]
 
-    sorted_expected_results  = sorted(expected_results, key=lambda x: x['affiliations'][0]['value'] if x['affiliations'] else '')
-    sorted_results  = sorted(results[0]['authors'], key=lambda x: x['affiliations'][0]['value'] if x['affiliations'] else '')
+    sorted_expected_results = sorted(
+        expected_results, key=lambda x: x['affiliations'][0]['value'] if x['affiliations'] else '')
+    sorted_results = sorted(
+        results[0]['authors'], key=lambda x: x['affiliations'][0]['value'] if x['affiliations'] else '')
     assert sorted_expected_results == sorted_results
 
 
-
 def test_copyrights(results):
     """Test extracting copyright."""
     expected_results = (