title: ModuleNotFoundError: No module named 'nets'
body: <p>Hi guys I'm having an error when I'm trying to run the training using this command:</p>
  
  <pre><code>&gt; `python train.py --logtostderr --train_dir=training/
  &gt; --pipeline_config_path=training/ssd_mobilenet_v1_coco.config`
  </code></pre>
  
  <blockquote>
    <p><code>Traceback (most recent call last): File "train.py", line 51, in
    &lt;module&gt; from object_detection.builders import model_builder File
    "C:\tensorflow1\models\research\object_detection\builders\model_builder.py",
    line 35, in &lt;module&gt; from object_detection.models import
    faster_rcnn_inception_resnet_v2_feature_extractor as frcnn_inc_res
    File
    "C:\tensorflow1\models\research\object_detection\models                                          \faster_rcnn_inception_resnet_v2_feature_extractor.py",
    line 28, in &lt;module&gt; from nets import inception_resnet_v2
    ModuleNotFoundError: No module named 'nets</code></p>
  </blockquote>