From 9891314b8e77d82edf7eafe3bd237da0ac585da5 Mon Sep 17 00:00:00 2001
From: Matthew Tretter <m@tthewwithanm.com>
Date: Fri, 5 Apr 2013 12:25:02 -0400
Subject: [PATCH] Don't error if same generator is registered

---
 imagekit/registry.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/imagekit/registry.py b/imagekit/registry.py
index a28738f..620f9f8 100644
--- a/imagekit/registry.py
+++ b/imagekit/registry.py
@@ -15,7 +15,8 @@ class GeneratorRegistry(object):
         before_access.connect(self.before_access_receiver)
 
     def register(self, id, generator):
-        if id in self._generators:
+        registered_generator = self._generators.get(id)
+        if registered_generator and generator != self._generators[id]:
             raise AlreadyRegistered('The generator with id %s is'
                                     ' already registered' % id)
         self._generators[id] = generator