def shaded_plot(ax, x, y, y_upper, y_lower, **kwargs):
     base_line, = ax.plot(x, y, drawstyle="steps-post", **kwargs)
     fill_between_steps(x,
                        y_lower,
                        y2=y_upper,
                        ax=ax,
                        alpha=0.25,
                        color=base_line.get_color(),
                        linewidth=1.0)
 def shaded_plot(ax, x, y, y_upper, y_lower, **kwargs):
     base_line, = ax.plot(x, y, drawstyle='steps-post', **kwargs)
     fill_between_steps(x, y_lower, y2=y_upper, ax=ax, alpha=0.25,
                        color=base_line.get_color(), linewidth=1.0)