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                        What will happen with layers which are in tfa, but not in other keras frameworks and which do not work with Keras 3 (I'm intrested in WeightNormalization layer)
System information
- OS Platform and Distribution (e.g., Linux Ubuntu 20.04): Linux Ubuntu 22.04
- TensorFlow version and how it was installed (source or binary): Tensorflow 2.6.1 binary installation
- TensorFlow-Addons version and how it was installed (source or binary): master source
- Python version: 3.10
- Is GPU used? (yes/no): no
Describe the bug while master branch has fixed imports for Keras 3 class WeightNormalization(tf.keras.layers.Wrapper) won't work with Keras 3
Code to reproduce the issue
import tensorflow as tf
import tensorflow_addons as tfa
from tensorflow.keras.layers import Conv1D, Embedding, MaxPooling1D, Dense, Flatten
from tensorflow.keras.models import Sequential
from tensorflow.keras.datasets import imdb
from tensorflow.keras.preprocessing import sequence
from tensorflow.keras.optimizers import Adam
max_words = 800
(Xtrain, ytrain), (Xtest, ytest) = imdb.load_data(num_words=1000)
Xtrain = sequence.pad_sequences(Xtrain, maxlen=max_words)
Xtest = sequence.pad_sequences(Xtest, maxlen=max_words)        
model = Sequential()
model.add(Embedding(1000, 500, input_length=max_words))
model.add(tfa.layers.WeightNormalization(Conv1D(64, 3, activation='relu')))
model.add(MaxPooling1D(2,2))
model.add(tfa.layers.WeightNormalization(Conv1D(32, 3, activation='relu')))
model.add(MaxPooling1D(2,2))
model.add(Flatten())
model.add(Dense(10, activation='relu'))
model.add(Dense(1, activation='sigmoid'))
model.summary()
model.compile(optimizer=Adam(.0001), metrics=['accuracy'], loss='binary_crossentropy')
model.fit(Xtrain, ytrain, validation_split=.2, epochs=10)
problems:
def compute_output_shape(self, input_shape):
uses as_list(), Keras 3 does not support it, removal of as_list helps.
other problems which I failed to resolve are in creation of self._naked_clone_layer
the problem is essentially is that class WeightNormalization is absent in other keras frameworks, but it does not work in tfa with Keras 3 either.
I understand that tfa is near end of support (and already almost an year in minimal support mode), but then the question is - what to use in place of WeightNormalization layer in Keras 3?