diff -r 27f636beebad -r 2c730d5fd177 eric6/WebBrowser/Network/ProtocolHandlerManagerDialog.py --- a/eric6/WebBrowser/Network/ProtocolHandlerManagerDialog.py Mon Mar 01 17:48:43 2021 +0100 +++ b/eric6/WebBrowser/Network/ProtocolHandlerManagerDialog.py Tue Mar 02 17:17:09 2021 +0100 @@ -28,7 +28,7 @@ """ super(ProtocolHandlerManagerDialog, self).__init__(parent) self.setupUi(self) - self.setAttribute(Qt.WA_DeleteOnClose) + self.setAttribute(Qt.WidgetAttribute.WA_DeleteOnClose) self.__manager = manager handlers = self.__manager.protocolHandlers()