From 843a751369856f97f936c94a562b461254941b35 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Wed, 23 Mar 2011 11:49:56 -0700
Subject: [PATCH] Move namespace setup inside the template.

---
 Lib/collections/__init__.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index d4e8ed60fa4..b75b4d73083 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -234,6 +234,12 @@ class OrderedDict(dict):
 ################################################################################
 
 _class_template = '''\
+__name__ = 'namedtuple_{typename}'
+
+from builtins import property as _property, tuple as _tuple
+from operator import itemgetter as _itemgetter
+from collections import OrderedDict
+
 class {typename}(tuple):
     '{typename}({arg_list})'
 
@@ -349,8 +355,7 @@ def namedtuple(typename, field_names, verbose=False, rename=False):
 
     # Execute the class definition string in a temporary namespace and
     # support tracing utilities by setting a value for frame.f_globals['__name__']
-    namespace = dict(_itemgetter=_itemgetter, __name__='namedtuple_%s' % typename,
-                     OrderedDict=OrderedDict, _property=property, _tuple=tuple)
+    namespace = {}
     try:
         exec(class_definition, namespace)
     except SyntaxError as e: