preferences dialog does not open

[lafleche.jonathan]

in earcandy 0.9, right clicking the tray icon and choosing the preferences option does not open the preferences window.

Here's the traceback:

  File "/usr/local/lib/python2.6/dist-packages/earcandy/ui/TrayIcon.py", line 69, in on_preferences
    self.core.open_preferances()
  File "/usr/local/lib/python2.6/dist-packages/earcandy/EarCandy.py", line 413, in open_preferances
    self.pref = EarCandayPrefs(self)
  File "/usr/local/lib/python2.6/dist-packages/earcandy/ui/EarCandyPrefs.py", line 37, in __init__
    GladeWindow.__init__(self, "pulseoptions.glade", "dialog_options")
  File "/usr/local/lib/python2.6/dist-packages/earcandy/ui/glade_window.py", line 34, in __init__
    self.wtree.add_from_file(ui_filename)
TypeError: Gtk.Builder.add_from_file() argument 1 must be string, not None