PNG Predictor in PDF files not working correctly

PNG Predictor in PDF files not working correctly: a task in harbor-swesmith-rl-artifacts: Harbor SWE-Smith 强化学习数据产物 (Harbor dataset). I've discovered an issue with the PNG predictor implementation in pdfminer. When trying to extract text from certain PDF files, the extraction fails or produces…

The task

I've discovered an issue with the PNG predictor implementation in pdfminer. When trying to extract text from certain PDF files, the extraction fails or produces incorrect output.

Part of keryszhan/harbor-swesmith-rl-artifacts.