Fix lint

qutebrowser/browser/browsertab.py

@@ -685,7 +685,7 @@ class AbstractElements:
 
     def find_css(self, selector: str,
                  callback: _MultiCallback,
-                 error_callback: _ErrorCallback, *,
+                 error_cb: _ErrorCallback, *,
                  only_visible: bool = False) -> None:
         """Find all HTML elements matching a given selector async.
 
@@ -694,6 +694,7 @@ class AbstractElements:
 
         Args:
             callback: The callback to be called when the search finished.
+            error_cb: The callback to be called when an error occurred.
             selector: The CSS selector to search for.
             only_visible: Only show elements which are visible on screen.
         """

qutebrowser/browser/webengine/webenginetab.py

@@ -24,8 +24,8 @@ import functools
 import re
 import html as html_utils
 
-from PyQt5.QtCore import (pyqtSignal, pyqtSlot, Qt, QEvent, QPoint, QPointF,
+from PyQt5.QtCore import (pyqtSignal, pyqtSlot, Qt, QPoint, QPointF, QUrl,
-                          QUrl, QTimer, QObject)
+                          QTimer, QObject)
 from PyQt5.QtGui import QIcon
 from PyQt5.QtNetwork import QAuthenticator
 from PyQt5.QtWidgets import QApplication
@@ -520,6 +520,8 @@ class WebEngineScroller(browsertab.AbstractScroller):
 
 class WebEngineHistoryPrivate(browsertab.AbstractHistoryPrivate):
 
+    """History-related methods which are not part of the extension API."""
+
     def serialize(self):
         if not qtutils.version_check('5.9', compiled=False):
             # WORKAROUND for

qutebrowser/browser/webkit/webkittab.py

@@ -23,8 +23,7 @@ import re
 import functools
 import xml.etree.ElementTree
 
-from PyQt5.QtCore import (pyqtSlot, Qt, QEvent, QUrl, QPoint, QTimer, QSizeF,
+from PyQt5.QtCore import pyqtSlot, Qt, QUrl, QPoint, QTimer, QSizeF, QSize
-                          QSize)
 from PyQt5.QtGui import QIcon
 from PyQt5.QtWebKitWidgets import QWebPage, QWebFrame
 from PyQt5.QtWebKit import QWebSettings
@@ -511,6 +510,8 @@ class WebKitScroller(browsertab.AbstractScroller):
 
 class WebKitHistoryPrivate(browsertab.AbstractHistoryPrivate):
 
+    """History-related methods which are not part of the extension API."""
+
     def serialize(self):
         return qtutils.serialize(self._history)
 
@@ -600,8 +601,7 @@ class WebKitElements(browsertab.AbstractElements):
         # Escape non-alphanumeric characters in the selector
         # https://www.w3.org/TR/CSS2/syndata.html#value-def-identifier
         elem_id = re.sub(r'[^a-zA-Z0-9_-]', r'\\\g<0>', elem_id)
-        self.find_css('#' + elem_id, find_id_cb,
+        self.find_css('#' + elem_id, find_id_cb, error_cb=lambda exc: None)
-                      error_callback=lambda exc: None)
 
     def find_focused(self, callback):
         frame = self._widget.page().currentFrame()
@@ -727,7 +727,7 @@ class WebKitTab(browsertab.AbstractTab):
             url, emit_before_load_started=emit_before_load_started)
         self._widget.load(url)
 
-    def url(self, requested=False):
+    def url(self, *, requested=False):
         frame = self._widget.page().mainFrame()
         if requested:
             return frame.requestedUrl()

qutebrowser/config/configtypes.py

@@ -923,7 +923,7 @@ class IgnoreCase(MappingType):
                 ('always', "Search case-insensitively."),
                 ('never', "Search case-sensitively."),
                 ('smart', ("Search case-sensitively if there are capital "
-                           "characters.")))),
+                           "characters."))))
 
     MAPPING = {
         'always': usertypes.IgnoreCase.always,