code: def __init__(self, input_key, output_key) -> None:
      super().__init__()
      self.input_key = input_key
      self.output_key = output_key
  
imports: import logging
  import numpy
  import pytest
  from popmon.base import Module, Pipeline
label_desc: Use image node_id 1 to create a new LogTransformer object from inherited base classes: Module with example: obj = LogTransformer(input_key, output_key)