From 5248094f6abc710bc616134f9f2878564b87aa6c Mon Sep 17 00:00:00 2001
From: gfyoung <gfyoung17@gmail.com>
Date: Sun, 4 Nov 2018 12:45:40 -0800
Subject: [PATCH] DOC: Fix syntax error in groupby docs

Follow-up to gh-23394.
---
 doc/source/groupby.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/source/groupby.rst b/doc/source/groupby.rst
index 0a896bac0f2d7..17a723e2a2f42 100644
--- a/doc/source/groupby.rst
+++ b/doc/source/groupby.rst
@@ -133,7 +133,8 @@ but the specified columns
 .. ipython:: python
 
    df2 = df.set_index(['A', 'B'])
-   grouped = df2.groupby(level=df2.index.names.difference(['B'])
+   grouped = df2.groupby(level=df2.index.names.difference(['B']))
+   grouped.sum()
 
 These will split the DataFrame on its index (rows). We could also split by the
 columns: