Reformat katib-operators

[tenzen-y]

Signed-off-by: Yuki Iwai yuki.iwai.tz@gmail.com

What this PR does / why we need it:
I reformated katib-operators with black operators/*/src.
This PR will fix the following error:

would reformat /home/runner/work/katib/katib/operators/katib-ui/src/charm.py

Oh no! 💥 💔 💥
1 file would be reformatted, 2 files would be left unchanged.
Error: Process completed with exit code 1.

https://github.com/kubeflow/katib/actions/runs/4173685371/jobs/7226319287

After:

$ black --check operators/*/src
All done! ✨ 🍰 ✨
3 files would be left unchanged.

Blocking: #2101

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Checklist:

• Docs included if any changes are user facing

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tenzen-y

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[tenzen-y]

/assign @andreyvelich

Also, can you restart failed Go Test / Unit Test (1.23.5) (pull_request)?

[tenzen-y]

I will create a cherry-pick PR once this PR is merged.

[johnugeorge]

/lgtm