From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Mon, 9 Aug 2010 00:14:35 +0000 (-0400)
Subject: confirmed we can get this to trigger if we apply heisenbug compensation
X-Git-Tag: rel_0_7b1~253^2~36
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1c832aa51ccf4b0970b242d92a0f458cd2fb2a45;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

confirmed we can get this to trigger if we apply heisenbug compensation
---

diff --git a/lib/sqlalchemy/event.py b/lib/sqlalchemy/event.py
index f9fbcc118f..603aaf383c 100644
--- a/lib/sqlalchemy/event.py
+++ b/lib/sqlalchemy/event.py
@@ -146,10 +146,8 @@ class Listeners(_ExecEvent):
         return bool(self.listeners or self.parent_listeners)
         
     def append(self, obj, target):
-        # this will be needed, but not 
-        # sure why we don't seem to need it yet
- #       if obj not in self.listeners:
-        self.listeners.append(obj)
+        if obj not in self.listeners:
+            self.listeners.append(obj)
 
 class dispatcher(object):
     def __init__(self, events):