--- a/test.py	Wed Dec 23 21:51:41 2009 -0800
+++ b/test.py	Wed Dec 23 21:55:25 2009 -0800
@@ -81,10 +81,10 @@
             self._urls = {}
 
         def set(self, url, params, response):
-            self._urls[url + json.dumps(params)] = response
+            self._urls[url + repr(params)] = response
 
         def get(self, url, **kwargs):
-            return self._urls[url + json.dumps(kwargs)]
+            return self._urls[url + repr(kwargs)]
 
     _collections = ['bugs']
 
@@ -105,10 +105,10 @@
         def set(self, url, query_args, response):
             if not isinstance(response, basestring):
                 response = json.dumps(response)
-            self._responses[url + json.dumps(query_args)] = response
+            self._responses[url + repr(query_args)] = response
 
         def __call__(self, url, headers, query_args=None):
-            response = self._responses[url + json.dumps(query_args)]
+            response = self._responses[url + repr(query_args)]
             return StringIO.StringIO(response)
 
     _FAKE_CONFIG = {'product': {}}