# Spline Resampler:

spline = SplineInterpolatedResampler()
new_spec_sp = spline(input_spec, new_disp_grid)  # doctest: +REMOTE_DATA
f, ax = plt.subplots()  # doctest: +IGNORE_OUTPUT
ax.step(new_spec_sp.spectral_axis, new_spec_sp.flux) # doctest: +IGNORE_OUTPUT +REMOTE_DATA