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BugError ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandasIO HDF5read_hdf, HDFStoreread_hdf, HDFStore
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This leads to an error on read, writing is possible however. Since the format has a fundamental problem with this case if there are columns with the same name but different data types this is not fixable.
However, df.to_hdf
should just not write the respective dataframe if the column index is not unique.
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BugError ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandasIO HDF5read_hdf, HDFStoreread_hdf, HDFStore