class_docstr: Tests reading and writing of training options
class_docstr_tok: ["Tests","reading","and","writing","of","training","options"]
code: def setUp(self):
      super(TestTrainOptions, self).setUp()
      self.model_dir = tempfile.mkdtemp()
      self.model_params = {"num_layers": 4}
      self.model_class = "AttentionSeq2Seq"
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import tempfile
  import tensorflow
  import numpy
  from seq2seq.contrib import rnn_cell
  from seq2seq.data import input_pipeline
  from seq2seq.test import utils
  from seq2seq.training import utils
label_desc: Use image node_id 1 for calling the TestTrainOptions obj's underlying member method code with example usage: obj.setUp() without return types