From 809874ee83eec3aff9fac491a99ee80f4bf95e38 Mon Sep 17 00:00:00 2001
From: Selwin Ong <selwin.ong@gmail.com>
Date: Wed, 18 Jul 2012 17:36:41 +0700
Subject: [PATCH] Don't store Job's "_instance" attribute in Redis.

---
 rq/job.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/rq/job.py b/rq/job.py
index 095506b..ce7c754 100644
--- a/rq/job.py
+++ b/rq/job.py
@@ -9,7 +9,7 @@ from .exceptions import UnpickleError, NoSuchJobError
 
 JOB_ATTRS = set(['origin', '_func_name', 'ended_at', 'description', '_args',
                  'created_at', 'enqueued_at', 'connection', '_result',
-                 'timeout', '_kwargs', 'exc_info', '_id', 'data'])
+                 'timeout', '_kwargs', 'exc_info', '_id', 'data', '_instance'])
 
 
 def unpickle(pickled_string):
@@ -194,7 +194,8 @@ class Job(object):
         """
         key = self.key
         obj = self.connection.hgetall(key)
-        if obj.get('data') is None:
+        # hgetall returns an empty dict if key doesn't exist
+        if obj == {}:
             raise NoSuchJobError('No such job: %s' % (key,))
 
         def to_date(date_str):