code: def setUp(self):
      super(TestSimpleServer, self).setUp()
  
      archive = load_archive(
          self.FIXTURES_ROOT
          / "bidaf"
          / "serialization"
          / "model.tar.gz"
      )
      self.bidaf_predictor = Predictor.from_archive(
          archive, "machine-comprehension"
      )
  
imports: from __future__ import with_statement
  from __future__ import division
  from __future__ import absolute_import
  import json
  import os
  import flask
  import flask.testing
  from allennlp.common.util import JsonDict
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.models.archival import load_archive
  from allennlp.predictors import Predictor
  from allennlp.service.server_simple import make_app
  from io import open
label_desc: Use image node_id 1 for calling the TestSimpleServer obj's underlying member method code with example usage: obj.setUp() without return types