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"""Beam DataFrame API

- For high-level documentation see

https://beam.apache.org/documentation/dsls/dataframes/overview/

- :mod:`apache_beam.dataframe.io`: DataFrame I/Os

- :mod:`apache_beam.dataframe.frames`: DataFrame operations

- :mod:`apache_beam.dataframe.convert`: Conversion between

:class:`~apache_beam.pvalue.PCollection` and

:class:`~apache_beam.dataframe.frames.DeferredDataFrame`.

- :mod:`apache_beam.dataframe.schemas`: Mapping from Beam Schemas to pandas

dtypes.

- :mod:`apache_beam.dataframe.transforms`: Use DataFrame operations within a

Beam pipeline with `DataframeTransform`.

"""

from apache_beam.dataframe.expressions import allow_non_parallel_operations