code: def _combine_arithmetic(pred_results, local_results, axis=0):
      if pred_results is None:
          return local_results[0]
      return _add_pred_results(pred_results, local_results, axis=axis)[
          0
      ]
  
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 2 for calling a global function with example usage: _combine_arithmetic(pred_results, local_results, axis) and returns: _add_pred_results, local_results