torch/utils/data/datapipes/dataframe/__init__.py

from torch.utils.data.datapipes.dataframe.dataframes import (
    CaptureDataFrame, DFIterDataPipe,
)
from torch.utils.data.datapipes.dataframe.datapipes import (
    DataFramesAsTuplesPipe,
)

__all__ = ['CaptureDataFrame', 'DFIterDataPipe', 'DataFramesAsTuplesPipe']

# Please keep this list sorted
assert __all__ == sorted(__all__)