Fix lint

qutebrowser/browser/commands.py

@@ -1639,7 +1639,7 @@ class CommandDispatcher:
     def on_file_updated(self, elem, text):
         """Write the editor text into the form field and clean up tempfile.
 
-        Callback for GUIProcess when the editor was closed.
+        Callback for GUIProcess when the edited text was updated.
 
         Args:
             elem: The WebElementWrapper which was modified.

qutebrowser/misc/editor.py

@@ -51,10 +51,7 @@ class ExternalEditor(QObject):
         self._filename = None
         self._proc = None
         self._remove_file = None
-        if watch:
-            self._watcher = QFileSystemWatcher(parent=self)
-        else:
-            self._watcher = None
+        self._watcher = QFileSystemWatcher(parent=self) if watch else None
         self._content = None
 
     def _cleanup(self):
@@ -125,10 +122,10 @@ class ExternalEditor(QObject):
         line, column = self._calc_line_and_column(text, caret_position)
         self._start_editor(line=line, column=column)
 
+    @pyqtSlot(str)
     def _on_file_changed(self, path):
-        encoding = config.val.editor.encoding
         try:
-            with open(path, 'r', encoding=encoding) as f:
+            with open(path, 'r', encoding=config.val.editor.encoding) as f:
                 text = f.read()
         except OSError as e:
             # NOTE: Do not replace this with "raise CommandError" as it's

tests/end2end/features/test_editor_bdd.py

@@ -84,7 +84,7 @@ def set_up_editor_wait(quteproc, tmpdir, text):
         import time
         import signal
 
-        def handle(sig, frame):
+        def handle(sig, _frame):
             with open(sys.argv[1], 'w', encoding='utf-8') as f:
                 f.write({text!r})
             if sig == signal.SIGUSR1: