code: def setTransformFn(self, value):
      return self._set(transform_fn=value)
  
imports: import numpy
  import torch
  import torchvision.transforms
  from horovod.spark.lightning import TorchModel
  from PIL import Image
  from synapse.ml.dl.PredictionParams import VisionPredictionParams
  from pyspark.ml.param import Param, Params, TypeConverters
  from pyspark.sql.functions import col, udf
  from pyspark.sql.types import DoubleType
  from synapse.ml.dl.utils import keywords_catch
label_desc: Use image node_id 2 for calling the DeepVisionModel obj's underlying member method code with example usage: obj.setTransformFn(value) and returns: self