How to generate line graph from numpy arrays

[sandorkertesz]

Is your feature request related to a problem? Please describe.

I tried to call "line()" in different ways but all failed. E.g.:

import earthkit.plots
import numpy as np
x = np.array([0,1,2,3])
y = np.array([5,6,7,8])
fig = earthkit.plots.line(x=x, y=y)
fig.show()

fails with:

Cannot find a wrapper for class: builtins.NoneType, returning unwrapped object
...
File ~/git/earthkit-plots/earthkit/plots/inputs.py:57, in xarray(self, data, args, kwargs)
     55 else:
     56     try:
---> 57         dataset = earthkit.data.from_object(data).to_xarray().squeeze()
     58     except (NotImplementedError, ValueError):
     59         return None

AttributeError: 'NoneType' object has no attribute 'to_xarray'

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Describe alternatives you've considered

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Additional context

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Organisation

ECMWF