Shorten line in test_categorical.py

Author: rhstanton

pandas/tests/groupby/test_categorical.py

@@ -782,7 +782,8 @@ def test_categorical_no_compress():
 
 def test_sort():
 
-    # http://stackoverflow.com/questions/23814368/sorting-pandas-categorical-labels-after-groupby  # noqa: E501
+    # http://stackoverflow.com/questions/23814368/sorting-pandas-
+    #        categorical-labels-after-groupby
     # This should result in a properly sorted Series so that the plot
     # has a sorted x axis
     # self.cat.groupby(['value_group'])['value_group'].count().plot(kind='bar')