Fix lintdev-split-parser

As for the mypy unreachable warning, see:
See https://github.com/python/mypy/issues/7214
and https://github.com/python/mypy/issues/8766

Includes cherry-pick of 27ad47825279a39141efd11ec9cc54ff2a872517

3 files changed, 5 insertions, 7 deletions

diff --git a/qutebrowser/commands/parser.py b/qutebrowser/commands/parser.py
index 5adbc003c..06a20cdf6 100644
--- a/qutebrowser/commands/parser.py
+++ b/qutebrowser/commands/parser.py
@@ -15,12 +15,12 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+# along with qutebrowser.  If not, see <https://www.gnu.org/licenses/>.
 
 """Module for parsing commands entered into the browser."""
 
 import dataclasses
-from typing import Optional, List, Mapping, Iterator, Union
+from typing import List, Iterator
 
 from qutebrowser.commands import cmdexc, command
 from qutebrowser.misc import split, objects
diff --git a/qutebrowser/commands/runners.py b/qutebrowser/commands/runners.py
index 7386d7d3b..5fb054455 100644
--- a/qutebrowser/commands/runners.py
+++ b/qutebrowser/commands/runners.py
@@ -22,13 +22,11 @@
 import traceback
 import re
 import contextlib
-from typing import (TYPE_CHECKING, Callable, Dict, Iterator, Mapping, MutableMapping,
-                    List, Optional)
+from typing import TYPE_CHECKING, Callable, Dict, Iterator, Mapping, MutableMapping
 
 from PyQt5.QtCore import pyqtSlot, QUrl, QObject
 
 from qutebrowser.api import cmdutils
-from qutebrowser.config import config
 from qutebrowser.commands import cmdexc, parser
 from qutebrowser.utils import message, objreg, qtutils, usertypes, utils
 from qutebrowser.keyinput import macros, modeman
@@ -175,7 +173,7 @@ class CommandRunner(AbstractCommandRunner):
             parsed = self._parser.parse_all(text)
 
         if parsed is None:
-            return
+            return  # type: ignore[unreachable]
 
         for result in parsed:
             with self._handle_error(safely):
diff --git a/qutebrowser/misc/earlyinit.py b/qutebrowser/misc/earlyinit.py
index ecd3fac1a..ca8f9e8fe 100644
--- a/qutebrowser/misc/earlyinit.py
+++ b/qutebrowser/misc/earlyinit.py
@@ -289,7 +289,7 @@ def webengine_early_import():
     error messages in backendproblem.py are accurate.
     """
     try:
-        from PyQt5 import QtWebEngineWidgets
+        from PyQt5 import QtWebEngineWidgets  # pylint: disable=unused-import
     except ImportError:
         pass