code: def default_inputs(self):
      return DefaultInputs(
          axis=-1,
          keep_dims=False,
      )
  
imports: import numpy
  from coremltools.converters.mil.mil import Operation, precondition, types
  from coremltools.converters.mil.mil.input_type import DefaultInputs, InputSpec, TensorInputType
  from coremltools.converters.mil.mil.operation import VALUE
  from coremltools.converters.mil.mil.ops.defs._op_reqs import register_op
  from coremltools.converters.mil.mil.types import nptype_from_builtin
label_desc: Use image node_id 1 for calling the ReductionAxis obj's underlying member method code with example usage: obj.default_inputs() and returns: DefaultInputs