piechart 散点图做图出现空白

参见：https://blog.51cto.com/u_15353383/3765764





bar2 = (
    Scatter()
        .add_xaxis(list(trade_time))
        .add_yaxis(series_name='指标',
                   y_axis=integer.tolist(),#这里一定要有tolist
                   xaxis_index=0,
                   symbol_size=10,  
                   color='pink',

                   # symbol='cricle'
                   )
        .set_series_opts(label_opts=opts.LabelOpts(is_show=False))
        .set_global_opts(legend_opts=opts.LegendOpts(is_show=False))
        .set_global_opts(visualmap_opts=opts.VisualMapOpts(is_show=False),
                         datazoom_opts=opts.DataZoomOpts(type_="slider", range_start=80, range_end=100))
)