  #!/usr/bin/env python3
  """ 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"""
  
  import logging
  import tensorflow as tf
  import keras.backend as K
  
 
</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 """ Custom Loss Functions for faceswap.py
    Losses from:
        keras.contrib
        dfaker: https://github.com/dfaker/df
        shoanlu GAN: https://github.com/shaoanlu/faceswap-GAN"""
 </s> add """ Custom Loss Functions for faceswap.py """ </s> remove import tensorflow as tf
import keras.backend as K
 </s> add  </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 from keras.layers import Lambda, concatenate
 </s> add 
""" Neural Network Blocks for faceswap.py. """
  #!/usr/bin/env python3
""" Neural Network Blocks for faceswap.py. """
""" Neural Network Blocks for faceswap.py. """
""" Neural Network Blocks for faceswap.py. """
""" Neural Network Blocks for faceswap.py. """
""" Neural Network Blocks for faceswap.py. """
  
  import logging
  import tensorflow as tf
  import keras.backend as K
  
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/nn_blocks.py