can't delete backup set

[rblenis]

here is the error from stderr after trying dto delete a backup set:

Traceback (most recent call last):

File "/usr/lib/pymodules/python2.6/pybackpack/gui.py", line 146, in on_button_delete_set_clicked

tree, itera = self.widgets.get_widget('combo_backup_sets').get_selection().get_selected()

AttributeError?: 'gtk.ComboBox?' object has no attribute 'get_selection'

here is my system info: Linux rblenis-laptop 2.6.32-24-generic #41-Ubuntu SMP Thu Aug 19 01:38:40 UTC 2010 x86_64 GNU/Linux

pybackpack: version 0.5.8