#NEWLINE# def sort_cb( self , column , idx ) : #NEWLINE# #INDENT# treeview = column . get_tree_view ( ) #NEWLINE# model = treeview . get_model ( ) #NEWLINE# model . set_sort_column_id ( idx , gtk . SORT_ASCENDING ) #NEWLINE# fn = self . cell_sort_funcs [ idx ] #NEWLINE# model . set_sort_func ( idx , fn ) #NEWLINE# return True