code: def _run(self, x, alpha=None):  # type: ignore
      return (_vcelu1(x, alpha).astype(x.dtype),)
  
imports: import numpy
  from onnx.reference.op_run import OpRun
label_desc: Use image node_id 1 for calling the Celu obj's underlying member method code with example usage: obj._run(x, alpha) and returns: _vcelu1