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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