DOC:Fix a long line to satisfy PEP8 (pandas-dev#24589)

Author: danielplawrence

pandas/core/ops.py

@@ -1056,8 +1056,8 @@ def _make_flex_doc(op_name, typ):
 
     if typ == 'series':
         base_doc = _flex_doc_SERIES
-        doc_no_examples = base_doc.format(desc=op_desc['desc'], op_name=op_name,
-                              equiv=equiv, reverse=op_desc['reverse'])
+        doc_no_examples = base_doc.format(desc=op_desc['desc'],
+            op_name=op_name, equiv=equiv, reverse=op_desc['reverse'])
         if op_desc['series_examples']:
             doc = doc_no_examples + op_desc['series_examples']
         else: