pep

Author: jreback

pandas/core/algorithms.py

@@ -944,13 +944,13 @@ def select_n_frame(frame, columns, n, method, keep):
     -------
     nordered : DataFrame
     """
-    from pandas.core.series import Series
     if not is_list_like(columns):
         columns = [columns]
     columns = list(columns)
     ascending = method == 'nsmallest'
 
-    # Below we save and reset the index incase index contains duplicates
+    # Below we save and reset the index
+    # in case index contains duplicates
     original_index = frame.index
     frame = frame.reset_index(drop=True)