[TMVA][PyKeras] Keras Visualization used is outdate (#5014)
[TMVA][PyKeras] Keras Visualization used is outdate (#5014)

* Update GenerateModel.py

keras.utils.visualize_util is outdated

* Update GenerateModel.py

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