class_docstr: parse ernie config
docstr: :param key,default_value:
  :retrun:
docstr_tok: [":","param","key",",","default_value",":",":","retrun",":"]
code: def get(self, key, default_value):
      """
      :param key,default_value:
      :retrun:
      """
      if key in self._config_dict:
          return self._config_dict[key]
      else:
          return default_value
  
file_path: PaddleHub/modules/text/sentiment_analysis/ernie_skep_sentiment_analysis/model/ernie.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import json
  import logging
  import six
label_desc: Use image node_id 5 for calling the ErnieConfig obj's underlying member method code with example usage: obj.get(key, default_value) and returns: self, default_value