--- a/eric6/WebBrowser/QtHelp/HelpTocWidget.py Wed Sep 25 18:48:22 2019 +0200 +++ b/eric6/WebBrowser/QtHelp/HelpTocWidget.py Wed Sep 25 18:52:40 2019 +0200 @@ -70,8 +70,10 @@ if buttons & Qt.MidButton: self.newTab.emit(url) else: - if modifiers & (Qt.ControlModifier | Qt.ShiftModifier) == \ - (Qt.ControlModifier | Qt.ShiftModifier): + if ( + modifiers & (Qt.ControlModifier | Qt.ShiftModifier) == + (Qt.ControlModifier | Qt.ShiftModifier) + ): self.newBackgroundTab.emit(url) elif modifiers & Qt.ControlModifier: self.newTab.emit(url)