How to use the mpld3.plugins.LinkedBrush function in mpld3

#labels = list(self.annot_table.index)
                    #tooltip = mpld3.plugins.PointLabelTooltip(scatter, labels=labels)
                    ko += 1
                    io += 1
                else: 
                    pass
            scatter = ax[-1, j].scatter(pos,
                    -1*np.log10(self.meQTL.ix[: , 'p-value']),
                                     c=self.ld,
                                     s=size_maf, cmap=cm)
            ax[-1, j].set_ylabel('-1*$log_{10}$ p-value', fontsize=15)
            ax[-1, j].set_xlabel('Genomic Position (mb)', fontsize=15)
            ax[-1, j].set_title('%s eQTL plot' % (self.gene_name,), fontsize=25)
            labels = list(self.annot_table.index)
            tooltip = mpld3.plugins.PointLabelTooltip(scatter, labels=labels)
            mpld3.plugins.connect(fig, tooltip,  plugins.LinkedBrush(scatter))
        fig.tight_layout()
        return(fig)

axes_deltaGC_td,
                                        True)
                                        
            pc1_td_plot = Scatter(self.options)                                     
            pc1_td_plot.plot_on_axes(self.fig,
                                        pc1, 
                                        td, 
                                        label_plot_order,
                                        'PC 1 (%.1f%%)' % (tetra.variance[0] * 100),
                                        'tetranucleotide distance',
                                        highlight_scaffold_ids,
                                        link_scaffold_ids,
                                        axes_pc1_td,
                                        True)

        mpld3.plugins.connect(self.fig, mpld3.plugins.LinkedBrush(scatter))

        self.fig.tight_layout(pad=1.0, w_pad=0.1, h_pad=0.1)
        self.draw()