  
  if get_backend() == "amd":
      from .normalization_plaid import *
  else:
      from .normalization_tf import *
 
</s> remove     from .normalization_plaid import *
 </s> add     from .normalization_plaid import LayerNormalization, RMSNormalization </s> remove from .normalization_common import *
 </s> add from .normalization_common import AdaInstanceNormalization
from .normalization_common import GroupNormalization
from .normalization_common import InstanceNormalization
 </s> remove from keras import regularizers
 </s> add import numpy as np
    from .normalization_tf import LayerNormalization, RMSNormalization
  
  if get_backend() == "amd":
      from .normalization_plaid import *
  else:
    from .normalization_tf import LayerNormalization, RMSNormalization
keep keep keep keep replace
 Unit tests - lib.model.normalization
  - __init__.py - Explicit imports (to fix pytests)
  - Add tests for all existing normalization layers
  - fix GroupNormalization for tensorflow backend 
lib/model/normalization/__init__.py