def get_model():
    """Get the NN model that's being analyzed from the request context.  Put
    the model in the request context if it is not yet there.

    Returns:
        instance of :class:`.models.model.Model` or derived
        class
    """
    if not hasattr(g, 'model'):
        g.model = load_model(current_app.config['MODEL_CLS_PATH'],
                             current_app.config['MODEL_CLS_NAME'],
                             current_app.config['MODEL_LOAD_ARGS'])
    return g.model
Get the NN model that's being analyzed from the request context.  Put
    the model in the request context if it is not yet there.

    Returns:
        instance of :class:`.models.model.Model` or derived
        class