[Python] Training a new entity type with spacy

Need help to try adding new entity and train my own model with spacy named entity recognition. I wanted first to try the example already done here:

https://github.com/explosion/spaCy/blob/master/examples/training/train_new_entity_type.py

but i'am getting this error :

ipykernel_launcher.py: error: unrecognized arguments: -f /root/.local/share/jupyter/runtime/kernel-c46f384e-5989-4902-a775-7618ffadd54e.json
An exception has occurred, use %tb to see the full traceback.

SystemExit: 2
/usr/local/lib/python3.6/dist-packages/IPython/core/interactiveshell.py:2890: UserWarning: To exit: use 'exit', 'quit', or Ctrl-D.
warn("To exit: use 'exit', 'quit', or Ctrl-D.", stacklevel=1)


How to resolve this?

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