Fix anyscale-endpoints finetune

[StpMax]

Description

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Fixes #issue_number

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[paxcema]

Curious as to why this was done? It introduced a bug where target may not be present. Shouldn't we still send args proper to finetune() instead?

EDIT: presumably there was another bug that this fixed, but we need to get a solution where both work fine. Would love to get more details.