code: def _run(self, seq, axis=None, new_axis=None):  # type: ignore
      if seq is None:
          raise RuntimeError("A sequence cannot be null.")
      res = _concat_from_sequence(seq, axis, new_axis=new_axis)
      return (res,)
  
imports: from typing import Any, List
  import numpy
  from onnx.reference.op_run import OpRun
label_desc: Use image node_id 1 for calling the ConcatFromSequence obj's underlying member method code with example usage: obj._run(seq, axis, new_axis) and returns: res