code: def get_interpretable_layer(self):
      return self._model.embedder
  
file_path: allennlp/allennlp/common/testing/interpret_test.py
imports: from allennlp.predictors import TextClassifierPredictor
  from allennlp.models.model import Model
  import torch
label_desc: Use image node_id 1 for calling the FakePredictorForTestingInterpret obj's underlying member method code with example usage: obj.get_interpretable_layer() and returns: self