From 60278c76133c03a3265fcfa71a2cb3bff4058513 Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Fri, 20 Jan 2017 00:01:23 +0900
Subject: [PATCH] Fix #3353: Fix NameError

---
 sphinx/config.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sphinx/config.py b/sphinx/config.py
index fb73c344c95..f5867f40f84 100644
--- a/sphinx/config.py
+++ b/sphinx/config.py
@@ -44,6 +44,9 @@
 CONFIG_TYPE_WARNING = "The config value `{name}' has type `{current.__name__}', " \
                       "defaults to `{default.__name__}'."
 
+if PY3:
+    unicode = str  # special alias for static typing...
+
 ConfigValue = NamedTuple('ConfigValue', [('name', str),
                                          ('value', Any),
                                          ('rebuild', Union[bool, unicode])])