def METHOD_NAME():
    attrmap = self._cells.value.attrmap
    edit_widget = urwid.AttrMap(urwid.Edit(edit_text=str(current_value)),
                                attr_map=attrmap.attr_map,
                                focus_map=attrmap.focus_map)
    cells.replace('value', edit_widget)
    self._value_widget_temp = value_widget