Close file of InferenceData loaded using from_netcdf

Questions version agnostic
2

I suspect that this is either a platform-dependent problem or that something has gone wrong and interrupted the arviz process that would otherwise close the file. It may also have to do with running things is a notebook, though I am skeptical of that. Can you run the following:

import pymc as pm
import arviz as az
with pm.Model() as model:
    a = pm.Normal("a")
    b = pm.Normal("b", mu=a, sigma=1)
    idata = pm.sample()
    idata.to_netcdf("test.nc")
    idata2 = az.from_netcdf("test.nc")
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