code: def _execute_raw_function(cls, op: "DataFrameExpandingAgg", in_data):
      expanding = in_data.expanding(
          min_periods=op.min_periods, center=op.center, axis=op.axis
      )
      return expanding.agg(op.func)
  
imports: from collections import namedtuple
  from functools import partial
  import numpy
  import pandas
  from ....None import opcodes
  from ....serialization.serializables import BoolField
  from ..aggregation import BaseDataFrameExpandingAgg
label_desc: Use image node_id 6 for calling the DataFrameExpandingAgg obj's underlying member method code with example usage: obj._execute_raw_function(cls, op, in_data) and returns: expanding