class_docstr: Interface for configuration-based tests
class_docstr_tok: ["Interface","for","configuration-based","tests"]
docstr: Returns the path to the configuration to be tested
docstr_tok: ["Returns","the","path","to","the","configuration","to","be","tested"]
code: def _config_path(self):
      """Returns the path to the configuration to be tested"""
      raise NotImplementedError()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import os
  from pydoc import locate
  import yaml
  import tensorflow
  from tensorflow import gfile
  from seq2seq.test.models_test import EncoderDecoderTests
  from seq2seq import models
label_desc: Use image node_id 2 for calling the ExampleConfigTest obj's underlying member method code with example usage: obj._config_path() without return types