Fixed lint error

Author: TomAugspurger

pandas/tests/io/formats/test_to_html.py

@@ -1871,6 +1871,7 @@ def test_to_html_notebook_has_no_style(self):
         assert "thead tr:only-child" not in result
 
     def test_to_html_with_index_names_false(self):
-        df = pd.DataFrame({"A": [1, 2]}, index=pd.Index(['a', 'b'], name='myindexname'))
+        df = pd.DataFrame({"A": [1, 2]}, index=pd.Index(['a', 'b'],
+                                                        name='myindexname'))
         result = df.to_html(index_names=False)
         assert 'myindexname' not in result