AttributeError: 'UNet' object has no attribute 'loss_functions' about multiplanarunet HOT 4 CLOSED

Epoch 1/500
1/1 [==============================] - ETA: 0s - sparse_categorical_accuracy: 0.9208 - loss: 0.2810'UNet' object has no attribute 'loss_functions'
Traceback (most recent call last):
  File "/home/ubuntu/anaconda3/envs/tensorflow_p36/bin/mp", line 11, in <module>
    load_entry_point('mpunet', 'console_scripts', 'mp')()
  File "/home/ubuntu/MultiPlanarUNet/mpunet/bin/mp.py", line 55, in entry_func
    mod.entry_func(parsed.args)
  File "/home/ubuntu/MultiPlanarUNet/mpunet/bin/train.py", line 390, in entry_func
    raise e
  File "/home/ubuntu/MultiPlanarUNet/mpunet/bin/train.py", line 386, in entry_func
    run(project_dir=project_dir, gpu_mon=gpu_mon, logger=logger, args=args)
  File "/home/ubuntu/MultiPlanarUNet/mpunet/bin/train.py", line 349, in run
    hparams=hparams, no_im=args.no_images, **hparams["fit"])
  File "/home/ubuntu/MultiPlanarUNet/mpunet/train/trainer.py", line 161, in fit
    raise e
  File "/home/ubuntu/MultiPlanarUNet/mpunet/train/trainer.py", line 147, in fit
    **fit_kwargs)
  File "/home/ubuntu/MultiPlanarUNet/mpunet/train/trainer.py", line 257, in _fit
    verbose=verbose
  File "/home/ubuntu/anaconda3/envs/tensorflow_p36/lib/python3.6/site-packages/tensorflow/python/keras/engine/training.py", line 66, in _method_wrapper
    return method(self, *args, **kwargs)
  File "/home/ubuntu/anaconda3/envs/tensorflow_p36/lib/python3.6/site-packages/tensorflow/python/keras/engine/training.py", line 876, in fit
    callbacks.on_epoch_end(epoch, epoch_logs)
  File "/home/ubuntu/anaconda3/envs/tensorflow_p36/lib/python3.6/site-packages/tensorflow/python/keras/callbacks.py", line 365, in on_epoch_end
    callback.on_epoch_end(epoch, logs)
  File "/home/ubuntu/MultiPlanarUNet/mpunet/callbacks/validation.py", line 263, in on_epoch_end
    class_wise_metrics, mean_batch_wise_metrics = self.evalaute()
  File "/home/ubuntu/MultiPlanarUNet/mpunet/callbacks/validation.py", line 145, in evalaute
    metrics = self.model.loss_functions + self.model.metrics
AttributeError: 'UNet' object has no attribute 'loss_functions'