column.pack_start(textrenderer, expand=True)
column.add_attribute(textrenderer, "text", 1)
yield gobject.TYPE_STRING, column
textrenderer = gtk.CellRendererText()
column.pack_start(textrenderer, expand=True)
column.add_attribute(textrenderer, "text", 1)
yield gobject.TYPE_STRING, column
textrenderer = gtk.CellRendererText()