fix tito

[mikasenghaas]

Description

from cluster

uv run vf-eval wiki-search -n1 -r1 -d -v -m zai-org/GLM-4.5-Air -b ... --api-client-type openai_chat_completions_token --disable-env-server 

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Test improvement

Testing

• All existing tests pass when running uv run pytest locally.
• New tests have been added to cover the changes

Checklist

• My code follows the style guidelines of this project as outlined in AGENTS.md
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published

Additional Notes

[mikasenghaas]

this is just for debug

[mikasenghaas]

this should not return None, otherwise we get breaks also on retokenization discrepancy which is exactly what we not want