Signalslot bug when doing multiple connects and Qt

Signalslot bug when doing multiple connects and Qt pyqt slot PyQt supports many type of signals, not just clicks Example We can create a method that is connected to a widget A slot is any callable pyqt slot 小编说：信号（Signal）和槽（Slot）是Qt中的核心机制，也是在PyQt编程中对象之间进行通信的机制。本文介绍了几种PyQt 5信号与槽的几级玩法。

pyqt slot The signal is connected to the close slot of the QMainWindow class Communicate: closeApp = pyqtSignal() A signal is created with the

newtown slot If you're importing PyQt, you set its API to version 2, and monkey patch Signal and Slot aliases to QtCore  slots', they must be marked as slots with pyqtSlot More details can be found here: Support for Signals and Slots Support