Unable to do multithreading on a Jetson Nano device

Unable to do multithreading using ThreadPoolExecutor for OCR and Face recognition using python on Jetson Nano device and IMX219 camera.
As we got error: “QObject:startTimer: Timers cannot be started from another thread”
Can you help in resolving this issue?

This may not be a Jetson specific issue, rather looks like a Qt code issue.
Earlier Qt versions were more permissive with that case.
Seems you’re starting timer from another thread that the one that manages the object owning it (and probably created it).
You may get further help on a Qt developer forum.

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