diff --git a/qutebrowser/browser/webengine/webenginesettings.py b/qutebrowser/browser/webengine/webenginesettings.py
index 2c44684e8..bae8aaffb 100644
--- a/qutebrowser/browser/webengine/webenginesettings.py
+++ b/qutebrowser/browser/webengine/webenginesettings.py
@@ -113,8 +113,8 @@ class WebEngineSettings(websettings.AbstractSettings):
         'content.desktop_capture':
             Attr(QWebEngineSettings.ScreenCaptureEnabled,
                  converter=lambda val: True if val == 'ask' else val),
-            # 'ask' is handled via the permission system, or a hardcoded
-            # dialog on Qt < 5.10
+        # 'ask' is handled via the permission system,
+        # or a hardcoded dialog on Qt < 5.10
 
         'input.spatial_navigation':
             Attr(QWebEngineSettings.SpatialNavigationEnabled),
diff --git a/qutebrowser/browser/webengine/webenginetab.py b/qutebrowser/browser/webengine/webenginetab.py
index 7c4d279c7..e802df483 100644
--- a/qutebrowser/browser/webengine/webenginetab.py
+++ b/qutebrowser/browser/webengine/webenginetab.py
@@ -655,6 +655,7 @@ class _WebEnginePermissions(QObject):
         self._widget = None
 
     def connect_signals(self):
+        """Connect related signals from the QWebEnginePage."""
         page = self._widget.page()
         page.fullScreenRequested.connect(
             self._on_fullscreen_requested)
@@ -781,6 +782,7 @@ class _WebEngineScripts(QObject):
     def __init__(self, tab, parent=None):
         super().__init__(parent)
         self._tab = tab
+        self._widget = None
 
     def connect_signals(self):
         config.instance.changed.connect(self._on_config_changed)
diff --git a/qutebrowser/browser/webkit/webkitinspector.py b/qutebrowser/browser/webkit/webkitinspector.py
index 35e4ba36b..d590d4adf 100644
--- a/qutebrowser/browser/webkit/webkitinspector.py
+++ b/qutebrowser/browser/webkit/webkitinspector.py
@@ -23,7 +23,6 @@ from PyQt5.QtWebKit import QWebSettings
 from PyQt5.QtWebKitWidgets import QWebInspector
 
 from qutebrowser.browser import inspector
-from qutebrowser.config import config
 
 
 class WebKitInspector(inspector.AbstractWebInspector):