code: def _run(self, **overridden_attributes):  # type: ignore
      if overridden_attributes and (
          len(overridden_attributes) > 1
          or "value" not in overridden_attributes
          or id(overridden_attributes["value"]) != id(self.value)
      ):
          raise RuntimeError(
              "Function attributes are not implemented for opset <= 11. Use opset > 12."
          )
      return (self._check(self.cst),)
  
imports: import numpy
  from onnx.reference.custom_element_types import bfloat16, float8e4m3fn, float8e4m3fnuz, float8e5m2, float8e5m2fnuz, int4, uint4
  from onnx.reference.op_run import OpRun, RefAttrName
label_desc: Use image node_id 2 for calling the Constant_1 obj's underlying member method code with example usage: obj._run() and returns: self