[BUG-REPORT] Fresh install of vaex cannot open files written to disk

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Description

On a fresh notebook without vaex installed, run the following

!pip install vaex-core==4.15.0 vaex-hdf5==0.12.3

import vaex
import numpy as np

df = vaex.from_arrays(id=list(range(100_000)), emb=np.random.rand(100_000, 768))
df.export('file.hdf5')
df.export('file1.hdf5')

vaex.open("file*.hdf5")

You see the following

Software information

• Vaex version (import vaex; vaex.__version__): {‘vaex-core’: ‘4.15.0’, ‘vaex-hdf5’: ‘0.12.3’}
• Vaex was installed via: pip / conda-forge / from source
• OS:

Additional information Please state any supplementary information or provide additional context for the problem (e.g. screenshots, data, etc…).

[Ben-Epstein]

@JovanVeljanoski i think it’s because of the legacy importlib, because it happens for arrow as well. I think @franz101 fix is the correct one https://github.com/vaexio/vaex/pull/2293

[franz101]

Reproducing the error it seems to me related to pip install vaex vs pip install vaex-core or some other packages