code: def _is_cum(cls):
      return False
  
imports: import builtins
  import copy
  import inspect
  import itertools
  import operator
  from collections.abc import Iterable
  from functools import reduce
  from math import ceil, log
  import numpy
  from ...config import options
  from ...core.operand import OperandStage
  from ...serialization.serializables import KeyField, AnyField, BoolField, Int32Field
  from ..core import Tensor, TensorOrder
  from ..array_utils import get_array_module, as_same_device, device, cp
  from ..utils import check_out_param, validate_axis
  from ..operands import TensorHasInput, TensorOperandMixin
  from ..datasource import tensor
label_desc: Use image node_id 1 for calling the TensorReductionMixin obj's underlying member method code with example usage: obj._is_cum(cls) and returns: False