class_docstr: Stateful operator
class_docstr_tok: ["Stateful","operator"]
code: def __init__(self, factor: int) -> None:
      super().__init__()
      self._factor = factor
  
imports: from towhee.operator import PyOperator, SharedType
label_desc: Use image node_id 1 to create a new Cal object from inherited base classes: PyOperator with example: obj = Cal(factor)