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Addresses optuna#6305 Converted .format() calls to f-strings for cleaner, more readable code.
_contour.py
not522
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Feb 13, 2026
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LGTM!
To minimize differences, I've removed !r.
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Description
Addresses #6305
This PR converts
.format()calls to f-strings inoptuna/visualization/_contour.pyfor cleaner, more readable code.Changes
.format()usages to f-strings!rfor parameter names to show them quoted in outputChecklist