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[Bugfix] Fix missing f-string in Keye smart_resize aspect-ratio error message - #49676

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Savi-Swar:fix-keye-smart-resize-fstring
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Savi-Swar wants to merge 1 commit into
vllm-project:mainfrom
Savi-Swar:fix-keye-smart-resize-fstring

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Purpose

The aspect-ratio guard in smart_resize (vllm/model_executor/models/keye.py) builds its error message from two implicitly-concatenated string literals, but the second one contains a {...} expression without an f prefix:

if max(height, width) / min(height, width) > 200:
    raise ValueError(
        "absolute aspect ratio must be smaller than 200, got "
        "{max(height, width) / min(height, width)}"
    )

So when this guard trips, the ValueError is raised with the literal text {max(height, width) / min(height, width)} instead of the actual ratio — i.e. the one number the message exists to report is never shown. This adds the missing f prefix.

keye_vl1_5.py imports smart_resize from keye, so both Keye variants are covered by the single fix.

Test Plan / Result

Pure string-formatting fix, no behavior change on the success path. Confirmed the module still byte-compiles (python -m py_compile), and the message now interpolates the computed ratio rather than emitting literal braces.

The aspect-ratio guard in smart_resize concatenates a plain string literal
that contains a `{...}` expression, so the ValueError is raised with the
literal text "{max(height, width) / min(height, width)}" instead of the
computed ratio. Add the missing f prefix so the message reports the actual
value. keye_vl1_5 reuses this smart_resize, so both Keye variants are covered.

Signed-off-by: Savitur Swarup <105158159+Savi-Swar@users.noreply.github.com>

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@mergify mergify Bot added the bug Something isn't working label Jul 24, 2026
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This pull request has been automatically marked as stale because it has not had any activity within 90 days. It will be automatically closed if no further activity occurs within 30 days. Leave a comment if you feel this pull request should remain open. Thank you!

@github-actions github-actions Bot added the stale Over 90 days of inactivity label Oct 23, 2026
@hmellor hmellor mentioned this pull request Oct 28, 2026
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hmellor commented Oct 28, 2026

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Closing as we are deprecating the model this PR fixes

@hmellor hmellor closed this Oct 28, 2026
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2 participants