code: def _format_for_encoding(self, X):
      return X
  
imports: import copy
  from finetune.errors import FinetuneError
  from finetune.target_models.classifier import Classifier, ClassificationPipeline
  from finetune.target_models.regressor import Regressor, RegressionPipeline
  from finetune.base import BaseModel
label_desc: Use image node_id 1 for calling the MultiFieldRegressionPipeline obj's underlying member method code with example usage: obj._format_for_encoding(X) and returns: X