Fix CSV format check to use file_format and correct error message#1336

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Ritinikhil wants to merge 2 commits intoapache:mainfrom

Ritinikhil:main

Commits on Jan 11, 2026

Fix variable name in unsupported format error message
Ritinikhil
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Commits on Jan 20, 2026

Fix variable name from 'format' to 'file_format'
Ritinikhil
authored