Solved by markdaoust in post #3 
              
              
                Interesting. 
This looks like they’ve re-encoded something like keras’s model.get_config, as a proto. 
To change the data-augmentation, you edit that data_augmentation_options list. 
The .proto files define what’s allowed. The definition of TrainConfig is here: 


data_augmentation_options is a repe…