Finalize executes any subclass-specific axes finalization steps.
        The user calls poof and poof calls finalize.

        Parameters
        ----------
        kwargs: generic keyword arguments.

def finalize(self, **kwargs):
        """
        Finalize executes any subclass-specific axes finalization steps.
        The user calls poof and poof calls finalize.

        Parameters
        ----------
        kwargs: generic keyword arguments.

        """
        self.ax.set_xlabel(self.target)
        for tk in self.ax.get_xticklabels():
            tk.set_visible(True)

        for tk in self.ax.get_yticklabels():
            tk.set_visible(True)