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We have been using a pretty old
lm_eval
version. This is blocking us from upgrading other libraries liketransformers
and blocking some others work. For example, #6489.In newer versions
lm_eval
,pretrainedModel
becomes a required parameter. In 0.4.2, it defaults togpt2
if not provided. This PR upgrades ourlm_eval
version to the latest version 0.4.5 and setpretrainedModel
to its original default valuegpt2
.Test Plan:

Run eval before and after this PR. Make sure the perplexity number stays around the same.
Differential Revision: D65162734