From 2d08e34e50df25aa8e430105046a9ce03b58a9ee Mon Sep 17 00:00:00 2001
From: Ask Solem <ask@celeryproject.org>
Date: Fri, 21 Jan 2011 10:27:41 +0100
Subject: [PATCH] virtual: must continue draining events even if no channels
 (yet) registered

---
 kombu/transport/virtual/__init__.py | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kombu/transport/virtual/__init__.py b/kombu/transport/virtual/__init__.py
index 84b5709c..b70e9e24 100644
--- a/kombu/transport/virtual/__init__.py
+++ b/kombu/transport/virtual/__init__.py
@@ -562,8 +562,6 @@ class Transport(base.Transport):
                 channel.close()
 
     def drain_events(self, connection, timeout=None):
-        if not self.channels:
-            raise ValueError("No channels to drain events from.")
         loop = 0
         time_start = time()
         while 1: