trainer.py: error: unrecognized arguments: --hard_span_only

[Emir-Liu]

I try to use zh_msra.sh ,but it occurs the error:
trainer.py: error: unrecognized arguments: --hard_span_only

how to deal with it?

[Emir-Liu]

i find the parameter only occurs in zh_msra,can you tell me the meaning of the parameter

[Xiaoya Li]

Please refer to https://github.com/ShannonAI/mrc-for-flat-nested-ner/blob/master/scripts/reproduce/zh_msra.sh.
Many thanks!