Add title and modify axes to make the image ready for display.

def finalize(self):
        """
        Add title and modify axes to make the image ready for display.
        """
        self.set_title(
            '{} Manifold (fit in {:0.2f} seconds)'.format(
                self._name, self.fit_time_.interval
            )
        )
        self.ax.set_xticklabels([])
        self.ax.set_yticklabels([])

        if self._target_color_type == DISCRETE:
            # Add the legend
            manual_legend(self, self.classes_, self._colors, frameon=True)

        elif self._target_color_type == CONTINUOUS:
            # Add the color bar
            plt.colorbar(self._scatter, ax=self.ax)