code: def __init__(self, factor):
      self.factor = factor
  
imports: import json
  import unittest
  from pathlib import Path
  from towhee import pipe
  from towhee import ops, register
  from towhee.runtime.time_profiler import TimeProfiler
  from towhee.tools.profilers import PerformanceProfiler
label_desc: Use image node_id 1 to create a new AddOperator object  with example: obj = AddOperator(factor)