2012-03-30 15:55:19,005 - WARNING - __init__:__init__:77 - Backend backend_mantis could not be loaded: No module named suds.client
Traceback (most recent call last):
  File "/home/seif/Projects/gtg/GTG/gtk/backends_dialog/__init__.py", line 242, in on_add_button
    self.add_panel.refresh_backends()
  File "/home/seif/Projects/gtg/GTG/gtk/backends_dialog/addpanel.py", line 143, in refresh_backends
    self.combo_types.refresh()
  File "/home/seif/Projects/gtg/GTG/gtk/backends_dialog/backendscombo.py", line 76, in refresh
    module.Backend.get_human_default_name(), \
  File "/home/seif/Projects/gtg/GTG/backends/genericbackend.py", line 473, in get_human_default_name
    return cls._general_description[cls.BACKEND_HUMAN_NAME]
KeyError: 'human-friendly-name'