abases, initializes the <code>Pose_mynet</code> class with the configuration settings object (<a href=#conf><code>conf</code></a>) and then calls the <code> train_wrapper</code> function to start the training. APT requires that the information about training's status be stored in the json format to <code>traindata.json</code> file to enable APT front-end to update the training progress and that the model file name have the format <code>deepnet-<i>step_num</i></code> so that APT can bundle the model files in