title: AttributeError: 'FasterRcnn' object has no attribute 'inplace_batchnorm_update'
body: <p>I am trying to train a pretrained <code>"faster_rcnn_resnet101_kitti"</code> model for the tensorflow object detection API.</p>
  
  <p>But everytime I try to run  </p>
  
  <pre><code> python3 train.py --logtostderr --train_dir='/training/' --pipeline_config_path='/training/faster_rcnn_resnet101_kitti.config' 
  </code></pre>
  
  <p>I receive the following error</p>
  
  <pre><code>Traceback (most recent call last):
     File "train.py", line 167, in &lt;module&gt;
        tf.app.run()
     File "/usr/local/lib/python3.5/dist- packages/tensorflow/python/platform/app.py", line 126, in run
  _sys.exit(main(argv))
     File "train.py", line 163, in main
  worker_job_name, is_chief, FLAGS.train_dir)
     File "/usr/local/lib/python3.5/dist-packages/object_detection-0.1-py3.5.egg/object_detection/trainer.py", line 211, in train
  detection_model = create_model_fn()
     File "/usr/local/lib/python3.5/dist-packages/object_detection-0.1-py3.5.egg/object_detection/builders/model_builder.py", line 96, in build
  add_summaries)
     File "/usr/local/lib/python3.5/dist-packages/object_detection-0.1-py3.5.egg/object_detection/builders/model_builder.py", line 272, in _build_faster_rcnn_model
  frcnn_config.inplace_batchnorm_update)
  AttributeError: 'FasterRcnn' object has no attribute 'inplace_batchnorm_update'
  </code></pre>