[Python] Trying to read parquet file with pandas raise "Cannot yet unify dictionaries with...

Discussão em 'Python' iniciado por Stack, Julho 3, 2025.

  1. Stack

    Stack Membro Participativo

    I am trying to read partitioned parquet files using:

    df = pd.read_parquet(basepath_to_files)


    However, this raises the error: ArrowInvalid: Cannot yet unify dictionaries with nulls.

    Reading the very same data from a single (not partitioned) .parquet file does NOT raise the error.

    How can I load this partitioned data?

    Continue reading...

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