code: def linear_extrapolation_plot(*args, **kwargs):
    
    warnings.warn("`linear_extrapolation_plot` has moved to "
                  "`cleverhans.plot.pyplot_image`. "
                  "cleverhans.utils.linear_extrapolation_plot may be removed on "
                  "or after 2019-04-24.")
    # pylint:disable=line-too-long
    from cleverhans.plot.pyplot_image import linear_extrapolation_plot as new_linear_extrapolation_plot
    return new_linear_extrapolation_plot(*args, **kwargs)
docs: Deprecation wrapper