Skip quantization if model is already quantized (QAT resuming)

[kevalmorabia97]

What does this PR do ?

When doing QAT for a big model, we often need to resume training. This PR adds a check if model restored from the resume checkpoint is already quantized or not, and if quantized, it skips this step.

Collection: N/A

Changelog

• Skip quantization if model is already quantized (QAT resuming)

Usage

• N/A

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This PR is stale because it has been open for 14 days with no activity. Remove stale label or comment or update or this will be closed in 7 days.

[github-actions]

This PR was closed because it has been inactive for 7 days since being marked as stale.