Enquing a file produces traceback

[unmacaque]

Trying to enqueue any file in Exaile 0.3.2.0 produces the following traceback:

Traceback (most recent call last):
  File "/usr/local/lib/exaile/exaile.py", line 52, in <module>
    main()
  File "/usr/local/lib/exaile/exaile.py", line 49, in main
    exaile = main.Exaile()
  File "/usr/local/lib/exaile/xl/main.py", line 83, in __init__
    exit = xldbus.check_exit(self.options, self.args)
  File "/usr/local/lib/exaile/xl/xldbus.py", line 78, in check_exit
    iface.Enqueue(args)
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 620, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Python.TypeError: Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/dbus/service.py", line 702, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/local/lib/exaile/xl/xldbus.py", line 453, in Enqueue
    tracks = trax.sort_tracks(['album', column], tracks, descending)
  File "/usr/local/lib/exaile/xl/trax/util.py", line 90, in sort_tracks
    return sorted(iter, key=keyfunc, reverse=reverse)
  File "/usr/local/lib/exaile/xl/trax/util.py", line 89, in <lambda>
    artist_compilations=artist_compilations) for field in fields]
TypeError: 'bool' object is not callable

The respective file will not get added to the playlist. 0.3.2 rc1 is also affected, 0.3.1.2 works fine.