qiskit/visualization/text.py
def bot(self):
        """ Constructs the bottom line of the element"""
        ret = self.bot_format % self.bot_connect.center(
            self.width, self.bot_pad)
        if self.right_fill:
            ret = ret.ljust(self.right_fill, self.bot_pad)
        if self.left_fill:
            ret = ret.rjust(self.left_fill, self.bot_pad)
        ret = ret.center(self.layer_width, self.bot_bck)
        return ret
def bot(self):
        """ Constructs the bottom line of the element"""
        ret = self.bot_format % self.bot_connect.center(
            self.width, self.bot_pad)
        if self.right_fill:
            ret = ret.ljust(self.right_fill, self.bot_pad)
        if self.left_fill:
            ret = ret.rjust(self.left_fill, self.bot_pad)
        ret = ret.center(self.layer_width, self.bot_bck)
        return ret
Constructs the bottom line of the element