--- a/eric6/WebBrowser/WebBrowserWindow.py Wed Jan 08 18:57:10 2020 +0100 +++ b/eric6/WebBrowser/WebBrowserWindow.py Wed Jan 08 18:58:31 2020 +0100 @@ -2359,8 +2359,13 @@ filtertb = self.addToolBar(self.tr("Filter")) filtertb.setObjectName("FilterToolBar") self.filterCombo = QComboBox() - self.filterCombo.setMinimumWidth( - QFontMetrics(QFont()).width("ComboBoxWithEnoughWidth")) + try: + comboWidth = QFontMetrics(QFont()).horizontalAdvance( + "ComboBoxWithEnoughWidth") + except AttributeError: + comboWidth = QFontMetrics(QFont()).width( + "ComboBoxWithEnoughWidth") + self.filterCombo.setMinimumWidth(comboWidth) filtertb.addWidget(QLabel(self.tr("Filtered by: "))) filtertb.addWidget(self.filterCombo) self.__helpEngine.setupFinished.connect(self.__setupFilterCombo)