Description of problem:
I don't know what is problem, only MusicBrainz Picard was open when this arrived. No functional problems, only failurealarm.

Version-Release number of selected component:
picard-1.0-2.fc18

Additional info:
cmdline:        /usr/bin/python /bin/picard
executable:     /bin/picard
kernel:         3.7.1-2.fc18.i686
uid:            1000

Truncated backtrace:
webservice.py:76:__getattr__:AttributeError: medium_list

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/picard/webservice.py", line 223, in _process_reply
    handler(xml_handler.document, reply, error)
  File "/usr/lib/python2.7/site-packages/picard/file.py", line 578, in _lookup_finished
    score, release = self._compare_to_track(track)
  File "/usr/lib/python2.7/site-packages/picard/file.py", line 543, in _compare_to_track
    t, p = self.metadata.compare_to_release(release, w, self.config)
  File "/usr/lib/python2.7/site-packages/picard/metadata.py", line 123, in compare_to_release
    for medium in release.medium_list[0].medium:
  File "/usr/lib/python2.7/site-packages/picard/webservice.py", line 76, in __getattr__
    raise AttributeError, name
AttributeError: medium_list

Local variables in innermost frame:
self: {'attribs': {u'id': u'0edb5cf7-aaff-4376-8a6b-373a0f08ce39'}, 'text': u'', 'children': {u'status': [{'attribs': {}, 'text': u'Official', 'children': {}}], u'release_group': [{'attribs': {u'id': u'4db1d241-d2db-3033-9f73-88331f2faee1'}, 'text': u'', 'children': {u'secondary_type_list': [{'attribs': {}, 'text': u'', 'children': {}}]}}], u'title': [{'attribs': {}, 'text': u'Live in Texas', 'children': {}}]}}
name: 'medium_list'

Potential duplicate: bug 889666