Bug: in run.py, using "world_model.predict_mode", but using "predict_model" in file DDQ/src/deep_dialog/usersims/usersim_model.py where world_model class is implemented.

[gzpbbd]

Bug: in run.py, using "world_model.predict_mode", but using "predict_model" in file DDQ/src/deep_dialog/usersims/usersim_model.py where world_model class is implemented.

So, because the flag "predict_model" control whether to save experiments for world_model and it is always true in usersim_model.py, world_model will always save experiments.