Thread 1 (Thread 0x7ffff7fc6700 (LWP 28351)):
#9 Frame 0x555555b746f0, for file /usr/lib64/python2.7/site-packages/gi/types.py, line 47, in function (args=(<Builder at remote 0x555555c2e230>, <function at remote 0x555555c711b8>, {'action_close_activate_cb': <instancemethod at remote 0x7ffff45165a0>, 'action_sessionbus_connect_activate_cb': <instancemethod at remote 0x7ffff7effaf0>, 'action_systembus_connect_activate_cb': <instancemethod at remote 0x7ffff4516500>, 'action_about_activate_cb': <instancemethod at remote 0x7ffff4516640>, 'action_otherbus_connect_activate_cb': <instancemethod at remote 0x7ffff4516690>}), kwargs={})
    return info.invoke(*args, **kwargs)
#13 Frame 0x555555b96870, for file /usr/lib64/python2.7/site-packages/gi/overrides/Gtk.py, line 374, in connect_signals (self=<Builder at remote 0x555555c2e230>, obj_or_map={'action_close_activate_cb': <instancemethod at remote 0x7ffff45165a0>, 'action_sessionbus_connect_activate_cb': <instancemethod at remote 0x7ffff7effaf0>, 'action_systembus_connect_activate_cb': <instancemethod at remote 0x7ffff4516500>, 'action_about_activate_cb': <instancemethod at remote 0x7ffff4516640>, 'action_otherbus_connect_activate_cb': <instancemethod at remote 0x7ffff4516690>}, _full_callback=<function at remote 0x555555c711b8>)
    self.connect_signals_full(_full_callback, obj_or_map)
#16 Frame 0x55555584fa90, for file /usr/lib64/python2.7/site-packages/dfeet/_ui/uiloader.py, line 48, in connect_signals (self=<UILoader(ui=<Builder at remote 0x555555c2e230>, root_widget_name='appwindow1') at remote 0x555555c68b48>, obj_or_map={'action_close_activate_cb': <instancemethod at remote 0x7ffff45165a0>, 'action_sessionbus_connect_activate_cb': <instancemethod at remote 0x7ffff7effaf0>, 'action_systembus_connect_activate_cb': <instancemethod at remote 0x7ffff4516500>, 'action_about_activate_cb': <instancemethod at remote 0x7ffff4516640>, 'action_otherbus_connect_activate_cb': <instancemethod at remote 0x7ffff4516690>})
    self.ui.connect_signals(obj_or_map)
#19 Frame 0x555555c48c40, for file /usr/lib64/python2.7/site-packages/dfeet/DFeetApp.py, line 73, in __init__ (self=<DFeetApp(_DFeetApp__bus_history=[], notebook=<Notebook at remote 0x555555c2e960>, about_dialog=<AboutDialog at remote 0x555555c2e9b0>, main_window=<Window at remote 0x555555c2e410>, notebook_page_widget=None) at remote 0x555555c14fa0>, signal_dict={'action_close_activate_cb': <instancemethod at remote 0x7ffff45165a0>, 'action_sessionbus_connect_activate_cb': <instancemethod at remote 0x7ffff7effaf0>, 'action_systembus_connect_activate_cb': <instancemethod at remote 0x7ffff4516500>, 'action_about_activate_cb': <instancemethod at remote 0x7ffff4516640>, 'action_otherbus_connect_activate_cb': <instancemethod at remote 0x7ffff4516690>}, settings=<Settings(config=<ConfigParser(_optcre=<_sre.SRE_Pattern at remote 0x555555ca0d70>, _defaults=<OrderedDict(_OrderedDict__root=[[...], [...], None], _OrderedDict__map={}) at remote 0x555555cb2e20>, _sections=<OrderedDict(_OrderedDict__root=[[[...], [...], 'Gener...(truncated)
    ui.connect_signals(signal_dict)
#30 Frame 0x555555832e00, for file <string>, line 50, in <module> ()
Python Exception <type 'exceptions.IOError'> (2, 'No such file or directory', '<string>'):
Error occurred in Python command: (2, 'No such file or directory', '<string>')