Fix another typo.

Delete accidentally repeated `None.`
This commit is contained in:
lcolaholicl
2017-12-30 17:38:42 +09:00
committed by Dave Halter
parent e689f3dce6
commit 7db500bfbc

View File

@@ -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):