Hundreds of short flashing horizontal streaks on cat and box images

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I ran pip install -r requirements.txt with no issues and then python main.py. The app launched with no errors or warnings, all control keys appear to work OK, but the image does not display correctly. 16 inch 2021 MacBook Pro, Sonoma 14.5 OS, Apple M1 Pro, Apple XDR Display (P3-1600 nits), ProMotion