Errors in cycleGAN

Error in cycleGAN
1. Third-party library tensorflow_addons==0.9.1
2.conda install tensorflow -gpu =2.1.0 (addons
are not needed for 2.1.0 version)
Change all versions to 2.1.0 and install scipy version to 1.4 .1 (It is also possible to find that 1.5.1 is installed several times)
Solve that there is no layer
tf.keras.layer
concatenate function in tensorflow . If it is uppercase, you must add () to use:
tf.keras.layers.Concatenate()([ x,y])