Hi all,I am working on some molecules in a pandas DataFrame and have to export them to a hdf file.
This works just fine but I get a warning about Performance due to mixed types. (1)
Why are RDKIT Mol objects causing this warning in the first place? Am I doing something wrong?
Please find attached a small notebook with an example.For now I set the type of hdf to 'table', but I'm unsure this is the best work-around.
Also, invoking pytest with --disable-warnings flag removes the message but the warning itself remains.
Thanks in advance for any hindsight! Cheers, Jose Manuel (1) PerformanceWarning:your performance may suffer as PyTables will pickle object types that it cannot
map directly to c-types [inferred_type->mixed,key->values] [items->None] return pytables.to_hdf(path_or_buf, key, self, **kwargs)
warning.ipynb
Description: application/ipynb
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