Gracefully handle new release of lm_eval

[shaahji]

Gracefully handle new release of lm_eval

Checklist before requesting a review

• Add unit tests for this change.
• Make sure all tests can pass.
• Update documents if necessary.
• Lint and apply fixes to your code by running lintrunner -a
• Is this a user-facing change? If yes, give a description of this change to be included in the release notes.

(Optional) Issue link

[shaahji]

/azp run

[azure-pipelines]

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