code: def _target_encoder(self):
      return RegressionEncoder()
  
imports: import tensorflow
  import numpy
  from finetune.encoding.target_encoders import RegressionEncoder
  from finetune.target_models.comparison import ComparisonPipeline
  from finetune.nn.target_blocks import regressor
  from finetune.base import BaseModel
  from finetune.model import PredictMode
label_desc: Use image node_id 1 for calling the ComparisonRegressionPipeline obj's underlying member method code with example usage: obj._target_encoder() and returns: RegressionEncoder