Fix: Preserve 'info' field in COCO-style annotations for compatibility with pycocotools >= 2.0.9 #1844
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Since the release of pycocotools version 2.0.9, the loadRes function now requires the 'info' field to be present in the result file. If missing, using COCOEvaluator.evaluate_prediction raises a KeyError: 'info'.
This PR updates the preprocessing step to preserve the 'info' field instead of discarding it, ensuring compatibility with recent versions of pycocotools
PS: this fix is minimal and untested locally but aligns with upstream changes in pycocotools 2.0.9