Fix Bug in Masked LM Transformations #396
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jinyongyoo
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jxmorris12
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Dec 21, 2020
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What does this PR do?
Summary
In
WordSwapMaskedLM,WordInsertionMaskedLM,WordMergeMasedLM, we usetorch.argsortto pick the tokens that have the highest probability. However,torch.argsortsorts in ascending order by default, so we need to passdescending=Trueto reverse sort it. Also, it fixes a bug where we replace the words with tokens that have not been sanitized (i.e. you may see "##" appear).Changes
descending=Truetotorch.argsortinWordSwapMaskedLM,WordInsertionMaskedLM,WordMergeMasedLM.