Fix to fp16 unscaling bug

[iszihan]

What does this PR do?

Fixes#10752 based on #9628.

Who can review?

@sayakpaul

[sayakpaul]

Thanks a bunch!

[sayakpaul]

Can you run make style && make quality?

[HuggingFaceDocBuilderDev]

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[iszihan]

Hmm is it supposed to just run under the repo? I get this

make style && make quality
ruff check examples scripts src tests utils benchmarks setup.py --fix
make: ruff: No such file or directory
make: *** [Makefile:57: style] Error 127

[sayakpaul]

It's supposed to run from the root of the repository. And make sure you have the quality related deps installed: pip install -e .[quality].

[yiyixuxu]

@bot /style

[ishan-modi]

@yiyixuxu, this might be a stale PR, since changes are already there on main branch

[yiyixuxu]

@ishan-modi

oh thanks for pointing it out, indeed!

[yiyixuxu]

@iszihan
I'm closing this PR now since change it's already there. Sorry if we wasted your time. We have a style bot now so in the future we will be more efficient in merging PRs like this just needs the last step to fix code styles