Software information
Vaex version : 4.1.0
Vaex was installed via: pip from source
OS: Windows Server 2016
Python Version : Python 3.9.7
Additional information
Backend application while trying save the pandas df to HDF5 file using code vx.from_pandas(df).export_hdf5(path) errors out. Exception Stack Trace attached as image.
Unfortunately, the stated exception is not reproducible. The next time when i try to save the same df, it successfully saves.
