style fixes

qutebrowser/widgets/completion.py

@@ -115,7 +115,8 @@ class CompletionView(QTreeView):
                 SettingOptionCompletionModel(sect, self))
             for opt in configdata()[sect].keys():
                 try:
-                    self._completion_models['value_{}_{}'.format(sect,opt)] = (
+                    modelname = 'value_{}_{}'.format(sect, opt)
+                    self._completion_models[modelname] = (
                         CompletionFilterModel(SettingValueCompletionModel(sect,
                                               opt, self)))
                 except NoCompletionsError:

qutebrowser/widgets/tabbar.py

@@ -36,6 +36,8 @@ class TabWidget(QTabWidget):
     # FIXME there is still some ugly 1px white stripe from somewhere if we do
     # background-color: grey for QTabBar...
 
+    # pylint: disable=unused-argument
+
     STYLESHEET = """
         QTabWidget::pane {{
             position: absolute;
@@ -100,6 +102,5 @@ class TabWidget(QTabWidget):
     @pyqtSlot(str, str)
     def on_config_changed(self, section, option):
         """Update attributes when config changed."""
-        # pylint: disable=unused-argument
         if section == 'tabbar':
             self._init_config()