From: Victor Stinner <vstinner@wyplay.com>
Date: Fri, 9 Mar 2012 13:04:01 +0000 (+0100)
Subject: Issue #14205: Document the dict lookup change in What's New in Python 3.3
X-Git-Tag: v3.3.0a2~251
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8c43e69bce195d9b5d44d52258995e7a27041bab;p=thirdparty%2FPython%2Fcpython.git

Issue #14205: Document the dict lookup change in What's New in Python 3.3
---

diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 2ecb8ce5f159..28294cb977d8 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -474,6 +474,13 @@ Some smaller changes made to the core Python language are:
 
   (:issue:`12170`)
 
+* A dict lookup now raises a :exc:`RuntimeError` if the dict is modified during
+  the lookup. If you implement your own comparaison function for objects used
+  as dict keys and the dict is shared by multiple threads, access to the dict
+  should be protected by a lock.
+
+  (:issue:`14205`)
+
 
 New and Improved Modules
 ========================