code: def __call__(self, df):
      index_value = parse_index(df.index_value.to_pandas()[:0], df)
      if df.ndim == 2:
          columns_value = parse_index(
              df.columns_value.to_pandas()[:0], store_data=True
          )
          return self.new_dataframe(
              [df],
              shape=(0, 0),
              dtypes=df.dtypes[:0],
              index_value=index_value,
              columns_value=columns_value,
          )
      else:
          return self.new_series(
              [df], shape=(0,), dtype=df.dtype, index_value=index_value
          )
  
imports: from io import StringIO
  import numpy
  import pandas
  from ...None import opcodes
  from ...core import OutputType, recursive_tile
  from ...core.operand import OperandStage
  from ...lib.filesystem import open_file
  from ...serialization.serializables import KeyField, AnyField, StringField, ListField, BoolField, Int32Field, Int64Field, DictField
  from ...tensor.core import TensorOrder
  from ...tensor.operands import TensorOperand, TensorOperandMixin
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import parse_index
label_desc: Use image node_id 28 for calling the DataFrameToCSV obj's underlying member method code with example usage: obj.__call__(df) and returns: self, self