Display ROPE when more than one interval is provided.

def display_multiple_ropes(self, rope, ax, y, linewidth, rope_var):
        """Display ROPE when more than one interval is provided."""
        vals = dict(rope[rope_var][0])["rope"]
        ax.plot(
            vals,
            (y + 0.05, y + 0.05),
            lw=linewidth * 2,
            color="C2",
            solid_capstyle="round",
            zorder=0,
            alpha=0.7,
        )
        return ax