class_docstr: Stateful operator
code: def __init__(self, normed_num) -> None:
      super().__init__()
      self.normed_num = normed_num
  
imports: from typing import NamedTuple
  from towhee.operator import Operator
  from numpy import linalg
  import numpy
label_desc: Use image node_id 1 to create a new NormDataOperator object from inherited base classes: Operator with example: obj = NormDataOperator(normed_num)