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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def residual_(self, label=None, style=None, opts=None):
 """ Returns a Seaborn models residuals chart """

        color, _ = self._get_color_size(style)
        try:
            fig = sns.residplot(self.df[self.x], self.df[self.y],
                                lowess=True, color=color)
            fig = self._set_with_height(fig, opts)
            return fig
        except Exception as e:
            self.err(e, self.residual_,
                     "Can not draw models residuals chart")