gistfile1.txt

diff --git a/master/buildbot/status/web/changes.py b/master/buildbot/status/web/changes.py
index 9670237..65d2421 100644
--- a/master/buildbot/status/web/changes.py
+++ b/master/buildbot/status/web/changes.py
@@ -17,6 +17,8 @@
 from zope.interface import implements
 from twisted.python import components
 from twisted.web.error import NoResource
+from twisted.web import resource
+from twisted.web.server import NOT_DONE_YET
 
 from buildbot.changes.changes import Change
 from buildbot.status.web.base import HtmlResource, IBox, Box
@@ -32,6 +34,19 @@ class ChangeResource(HtmlResource):
         data = template.render(cxt)
         return data      
 
+class DeferredLeafResource(resource.Resource):
+    pending = []
+    isLeaf = True
+    def __init__(self, d):
+        self.d = d
+    def render(self, request):
+        def cb(res):
+            request.write(res.render(request))
+            request.finish()
+            return res
+        self.d.addCallbacks(cb)
+        return NOT_DONE_YET
+
 # /changes/NN
 class ChangesResource(HtmlResource):
 
@@ -53,7 +68,7 @@ class ChangesResource(HtmlResource):
         def eb(f):
             return NoResource("No change number %d" % num)
         d.addCallbacks(cb, eb)
-        return d
+        return DeferredLeafResource(d)
     
 class ChangeBox(components.Adapter):
     implements(IBox)