code: def line_terminator(self):
      return self._line_terminator
  
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 16 for calling the DataFrameToCSV obj's underlying member method code with example usage: obj.line_terminator() and returns: self