Opencv using python and flask : HIGHGUI ERROR: libv4l unable to ioctl S_FMT Opencv using python and flask : HIGHGUI ERROR: libv4l unable to ioctl S_FMT flask flask

Opencv using python and flask : HIGHGUI ERROR: libv4l unable to ioctl S_FMT


python opencv flask

Try removing debug=True in the main.py. That was causing the problem for me.

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