Fix for Keras 2.4 and newer versions
Fix for Keras 2.4 and newer versions

Keras 2.4 version is not a mult-backend version as before, but is just tensorflow.keras, see https://github.com/keras-team/keras/releases/tag/2.4.0

Old keras code will not work then with Keras 2.4 and one needs to swicth to use tensorflow.keras in that case

olifre/root,olifre/root,olifre/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root