def __eq__(self, other):
        return (isinstance(other, self.__class__) and
                other.package == self.package)
def draw_error(layout, message):
        lines = message.split("\n")
        box = layout.box()
        sub = box.row()
        sub.label(lines[0])
        sub.label(icon='ERROR')
        for l in lines[1:]:
            box.label(l)