What's up with sugar-jhbuild?

[Urko Fernandez]

With latest sugar-jhbuild, I can't download files with browser activity.
This is what the logfile shows:

1209999452.720397 DEBUG xpcom: Python Factory creating DownloadManager
DEBUG:xpcom:Python Factory creating Download
1209999452.735509 DEBUG xpcom: Python Factory creating Download
ERROR:xpcom:Unhandled exception calling 'int8 onProgressChange64(in
nsISomething, in nsISomething, in int64, in int64, in int64, in int64);'
Traceback (most recent call last):
  File
"/home/tturk/git/sugar-jhbuild/install/lib64/xulrunner-1.9b5/python/xpcom/server/policy.py", line 277, in _CallMethod_
    return 0, func(*params)
  File
"/home/tturk/git/sugar-jhbuild/install/share/sugar/activities/Web.activity/downloadmanager.py", line 236, in onProgressChange64
    self._dl_jobject.metadata['progress'] = str(percent)
AttributeError: 'NoneType' object has no attribute 'metadata'
1209999452.756184 ERROR xpcom: Unhandled exception calling 'int8
onProgressChange64(in nsISomething, in nsISomething, in int64, in int64,
in int64, in int64);'
Traceback (most recent call last):
  File
"/home/tturk/git/sugar-jhbuild/install/lib64/xulrunner-1.9b5/python/xpcom/server/policy.py", line 277, in _CallMethod_
    return 0, func(*params)
  File
"/home/tturk/git/sugar-jhbuild/install/share/sugar/activities/Web.activity/downloadmanager.py", line 236, in onProgressChange64
    self._dl_jobject.metadata['progress'] = str(percent)
AttributeError: 'NoneType' object has no attribute 'metadata'