File "upnp_coherence/__init__.py", line 60, in activate
    server = MediaServer(self.coherence, MediaStore, no_thread_needed=True, db=self.shell.props.db, plugin=self, icon=the_icon)
  File "/usr/lib/python2.5/site-packages/coherence/upnp/devices/media_server.py", line 370, in __init__
    self.init_complete(self.backend)
  File "/usr/lib/python2.5/site-packages/coherence/upnp/devices/media_server.py", line 416, in init_complete
    icons=self.icons))
  File "/usr/lib/python2.5/site-packages/coherence/upnp/devices/media_server.py", line 322, in __init__
    self.xml = ET.tostring( root, encoding='utf-8')
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 1009, in tostring
    ElementTree(element).write(file, encoding)
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 663, in write
    self._write(file, self._root, encoding, {})
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 707, in _write
    self._write(file, n, encoding, namespaces)
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 707, in _write
    self._write(file, n, encoding, namespaces)
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 707, in _write
    self._write(file, n, encoding, namespaces)
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 707, in _write
    self._write(file, n, encoding, namespaces)
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 705, in _write
    file.write(_escape_cdata(node.text, encoding))
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 813, in _escape_cdata
    _raise_serialization_error(text)
  File "/usr/lib64/python2.5/xml/etree/ElementTree.py", line 777, in _raise_serialization_error
    "cannot serialize %r (type %s)" % (text, type(text).__name__)
TypeError: cannot serialize True (type bool)