EXT: Ronancummins persist nlu training data option

[tmbo]

Proposed changes:

• supersedes Added option to persist nlu training data (default: False). Added tes… #4388

Status (please check what you already did):

• made PR ready for code review

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✅ tmbo
✅ ronancummins
❌ Ronan Cummins

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[tmbo]

doesn't need a review, #4388 has been reviewed

[vini-dixit]

Hi,
I have a question -
When we set persist_nlu_training_data=True in NLU training, where does the model get persisted?

I am trying below call-

rasa.train( domain=None, config=config, training_files=training_data, output=models_dir, fixed_model_name=model_name, persist_nlu_training_data=True )