  #!/usr/bin/env python3
  """ Custom Loss Functions for faceswap.py
      Losses from:
          keras.contrib
          dfaker: https://github.com/dfaker/df
          shoanlu GAN: https://github.com/shaoanlu/faceswap-GAN"""
  
  from __future__ import absolute_import
  
  import logging
  
 
</s> remove """ Custom Layers for faceswap.py
    Layers from:
        the original https://www.reddit.com/r/deepfakes/ code sample + contribs
        shoanlu GAN: https://github.com/shaoanlu/faceswap-GAN"""
 </s> add """ Custom Layers for faceswap.py. """ </s> remove """ Neural Network Blocks for faceswap.py
    Blocks from:
        the original https://www.reddit.com/r/deepfakes/ code sample + contribs
        dfaker: https://github.com/dfaker/df
        shoanlu GAN: https://github.com/shaoanlu/faceswap-GAN"""
 </s> add """ Neural Network Blocks for faceswap.py. """ </s> remove """ Normaliztion methods for faceswap.py
    Code from:
        shoanlu GAN: https://github.com/shaoanlu/faceswap-GAN"""
 </s> add """ Normalization methods for faceswap.py. """ </s> remove import tensorflow as tf
import keras.backend as K
 </s> add  </s> remove from keras.layers import Lambda, concatenate
 </s> add 
""" Custom Loss Functions for faceswap.py """
  #!/usr/bin/env python3
""" Custom Loss Functions for faceswap.py """
""" Custom Loss Functions for faceswap.py """
""" Custom Loss Functions for faceswap.py """
""" Custom Loss Functions for faceswap.py """
""" Custom Loss Functions for faceswap.py """
  
  from __future__ import absolute_import
  
  import logging
  
keep replace replace replace replace replace keep keep keep keep keep
 Simple backend unit tests (#1020)

* Add simple backend tests for lib.model
* Document lib.model
* Fix GMSD Loss for AMD
* Remove obsolete code from lib.model 
lib/model/losses.py