tryton error in ArchLinux

/home/craig/t2/lib/python2.7/site-packages/tryton/gui/main.py:1197: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  self.notebook.insert_page_menu(page.widget, hbox, label_menu, page_id)
ERROR:common.message:  File "/home/craig/t2/lib/python2.7/site-packages/tryton/gui/window/view_form/view/list_gtk/parser.py", line 793, in editing_started
    editable.set_text_column(0)