Error “QObject::startTimer: QTimer can only be used with threads started with QThread” many times when closing application · Issue #124 · pyqtgraph/pyqtgraph · GitHub
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qt - Create a QObject in another thread and retrieve it to the current thread = ASSERT failure in Debug on msvc16 - Stack Overflow
CAL-267: QBasicTimer can only be used with threads started with QThread · Issue #472 · calamares/calamares · GitHub
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