diff --git a/rhodecode/lib/celerylib/__init__.py b/rhodecode/lib/celerylib/__init__.py
--- a/rhodecode/lib/celerylib/__init__.py
+++ b/rhodecode/lib/celerylib/__init__.py
@@ -1,13 +1,42 @@
+# -*- coding: utf-8 -*-
+"""
+    package.rhodecode.lib.celerylib.__init__
+    ~~~~~~~~~~~~~~
+
+    celery libs for RhodeCode
+    
+    :created_on: Nov 27, 2010
+    :author: marcink
+    :copyright: (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>    
+    :license: GPLv3, see COPYING for more details.
+"""
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2
+# of the License or (at your opinion) any later version of the license.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA  02110-1301, USA.
+
 import os
 import sys
 import socket
 import traceback
 import logging
 
-from rhodecode.lib.pidlock import DaemonLock, LockHeld
+from hashlib import md5
+from decorator import decorator
 from vcs.utils.lazy import LazyProperty
-from decorator import decorator
-from hashlib import md5
+
+from rhodecode.lib.pidlock import DaemonLock, LockHeld
+
 from pylons import  config
 
 log = logging.getLogger(__name__)
@@ -15,7 +44,10 @@ log = logging.getLogger(__name__)
 def str2bool(v):
     return v.lower() in ["yes", "true", "t", "1"] if v else None
 
-CELERY_ON = str2bool(config['app_conf'].get('use_celery'))
+try:
+    CELERY_ON = str2bool(config['app_conf'].get('use_celery'))
+except KeyError:
+    CELERY_ON = False
 
 class ResultWrapper(object):
     def __init__(self, task):