From e2bb42aed0c6a8d5eecd380081d2c3d0dc617233 Mon Sep 17 00:00:00 2001
From: Yaroslav Halchenko <debian@onerussian.com>
Date: Fri, 10 Feb 2012 13:45:20 -0500
Subject: [PATCH] ENH: API change -- sort (columns=) instead of column=

to be more adequate and correspond to provided docstring
---
 pandas/core/frame.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 493b946b20..af9897486d 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -2149,10 +2149,10 @@ def duplicated(self, cols=None, take_last=False):
     #----------------------------------------------------------------------
     # Sorting
 
-    def sort(self, column=None, axis=0, ascending=True):
+    def sort(self, columns=None, axis=0, ascending=True):
         """
         Sort DataFrame either by labels (along either axis) or by the values in
-        a column
+        column(s)
 
         Parameters
         ----------
@@ -2168,7 +2168,7 @@ def sort(self, column=None, axis=0, ascending=True):
         -------
         sorted : DataFrame
         """
-        return self.sort_index(by=column, axis=axis, ascending=ascending)
+        return self.sort_index(by=columns, axis=axis, ascending=ascending)
 
     def sort_index(self, axis=0, by=None, ascending=True):
         """