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Mastering Development

PyQT5 with matplotlib figure, the event loop is already running

I have a program, which by clicking button on PyQT app shows matplotlib figure in another window. When i click button, that windows shows, but on Figure nothing happends and in console i get this: QCoreApplication::exec: The event loop is already running I have a 3 classes and file with PyQT5 Gui. 3 class get […]