From 7db500bfbc9deb1dff5ae3e79df376f10d89b371 Mon Sep 17 00:00:00 2001
From: lcolaholicl <lcolaholicl@gmail.com>
Date: Sat, 30 Dec 2017 17:38:42 +0900
Subject: [PATCH] Fix another typo.

Delete accidentally repeated `None.`
---
 parso/tree.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/parso/tree.py b/parso/tree.py
index 72a1494..6108612 100644
--- a/parso/tree.py
+++ b/parso/tree.py
@@ -55,7 +55,6 @@ class NodeOrLeaf(object):
         Returns the node immediately preceding this node in this parent's
         children list. If this node does not have a previous sibling, it is
         None.
-        None.
         """
         # Can't use index(); we need to test by identity
         for i, child in enumerate(self.parent.children):