code: def _get_meta(df):
      """
      Return the metadata from a single dataframe
      :param df: cudf.dataframe
      :return: Row data from the first row of the dataframe
      """
      ret = df[0].iloc[:0]
      return ret
  
imports: import dask.dataframe
  from functools import reduce
  from toolz import first
  from dask.distributed import default_client
  from dask.distributed import wait
  from cuml.dask.common.part_utils import _extract_partitions
  from cuml.dask.common.dask_arr_utils import validate_dask_array
  from cuml.dask.common.dask_df_utils import to_dask_cudf
  from cuml.dask.common.utils import get_client
  from dask_cudf.core import Series
  from dask.dataframe import Series
  from dask.dataframe import DataFrame
  from cudf import Series
  from cuml.internals.safe_imports import gpu_only_import_from
  from collections import OrderedDict
  from cuml.internals.memory_utils import with_cupy_rmm
  from collections.abc import Sequence
  import dask.array
  from cuml.internals.safe_imports import cpu_only_import
  import cuml.internals.logger
  from cuml.internals.safe_imports import gpu_only_import
label_desc: Use image node_id 4 for calling a global function with example usage: _get_meta(df) and returns: ret