From 6e5964ac274e2a2638ecdbb8876dfd978f4e09db Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Wed, 19 Oct 2016 19:50:23 +0900
Subject: [PATCH] Remove intern() calls

---
 sphinx/application.py | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sphinx/application.py b/sphinx/application.py
index 29ebd454a..321916c1b 100644
--- a/sphinx/application.py
+++ b/sphinx/application.py
@@ -45,9 +45,6 @@ from sphinx.util.console import bold, lightgray, darkgray, darkred, darkgreen, \
     term_width_line
 from sphinx.util.i18n import find_catalog_source_files
 
-if hasattr(sys, 'intern'):
-    intern = sys.intern
-
 # List of all known core events. Maps name to arguments description.
 events = {
     'builder-inited': '',
@@ -557,7 +554,6 @@ class Sphinx(object):
     # event interface
 
     def _validate_event(self, event):
-        event = intern(event)
         if event not in self._events:
             raise ExtensionError('Unknown event name: %s' % event)