code: def _call_series(self, series):
      if self.axis != 0:  # pragma: no cover
          raise TypeError(f"Invalid axis: {self.axis}")
      if self.ignore_index:
          index_value = parse_index(pd.RangeIndex(series.shape[0]))
      else:
          index_value = series.index_value
  
      return self.new_series(
          [series],
          shape=series.shape,
          dtype=series.dtype,
          index_value=index_value,
          name=series.name,
      )
  
file_path: mars/mars/dataframe/sort/sort_index.py
imports: import pandas
  from ...None import opcodes
  from ...core import OutputType, recursive_tile
  from ...serialization.serializables import ListField, BoolField
  from ...tensor.base.sort import _validate_sort_psrs_kinds
  from ...utils import calc_nsplits
  from ..utils import parse_index, validate_axis, build_concatenated_rows_frame, standardize_range_index
  from ..operands import DATAFRAME_TYPE
  from .core import DataFrameSortOperand
  from .psrs import DataFramePSRSOperandMixin, execute_sort_index
label_desc: Use image node_id 4 for calling the DataFrameSortIndex obj's underlying member method code with example usage: obj._call_series(series) and returns: self