docstr: Get the labels which was used when pretraining
  Returns:
       self.labels(dict)
docstr_tok: ["Get","the","labels","which","was","used","when","pretraining","Returns",":","self.labels","(","dict",")"]
code: def get_labels(self):
      """
      Get the labels which was used when pretraining
      Returns:
           self.labels(dict)
      """
      self.labels = {"positive": 1, "negative": 0}
      return self.labels
  
file_path: PaddleHub/modules/text/sentiment_analysis/senta_gru/module.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import json
  import math
  import os
  import six
  from senta_gru.processor import load_vocab
  from senta_gru.processor import postprocess
  from senta_gru.processor import preprocess
  import paddlehub
  from paddlehub.common.paddle_helper import add_vars_prefix
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import serving
label_desc: Use image node_id 4 for calling the SentaGRU obj's underlying member method code with example usage: obj.get_labels() and returns: self