adding bprec
CONTRIBUTOR
@lhoestq I think this is ready for review, I assume the errors (connection) are unrelated to the PR :) 
2020-12-12T05:49:37Z
https://github.com/huggingface/datasets/pull/1361#issuecomment-743708647
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2020-12-12T05:49:37Z
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merging since the CI is fixed on master
2020-12-14T14:41:39Z
https://github.com/huggingface/datasets/pull/1361#issuecomment-744485379
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Brand-Product Relation Extraction Corpora in Polish