Fix some lint.

3rdparty/typeshed/PyQt5/QtWidgets.pyi

@@ -2715,6 +2715,8 @@ class QDial(QAbstractSlider):
 
 
 class QDialogButtonBox(QWidget):
+    accepted = ...  # type: PYQT_SIGNAL
+    rejected = ...  # type: PYQT_SIGNAL
 
     class StandardButton(int): ...
     NoButton = ... # type: 'QDialogButtonBox.StandardButton'
@@ -2780,10 +2782,10 @@ class QDialogButtonBox(QWidget):
 
     def event(self, event: QtCore.QEvent) -> bool: ...
     def changeEvent(self, event: QtCore.QEvent) -> None: ...
-    def rejected(self) -> None: ...
+    #def rejected(self) -> None: ...
     def helpRequested(self) -> None: ...
     def clicked(self, button: QAbstractButton) -> None: ...
-    def accepted(self) -> None: ...
+    #def accepted(self) -> None: ...
     def centerButtons(self) -> bool: ...
     def setCenterButtons(self, center: bool) -> None: ...
     def button(self, which: 'QDialogButtonBox.StandardButton') -> QPushButton: ...

noisicaa/ui/editor_app.py

@@ -486,7 +486,8 @@ class EditorApp(ui_base.AbstractEditorApp):
             try:
                 os.unlink(self.__run_sentinel_path)
             except OSError as exc:
-                logger.warning("Failed to delete run sentinel file '%s': %s", self.__run_sentinel_path, exc)
+                logger.warning(
+                    "Failed to delete run sentinel file '%s': %s", self.__run_sentinel_path, exc)
 
         # TODO: quit() is not a method of ProcessBase, only in UIProcess. Find some way to
         #   fix that without a cyclic import.

noisicaa/ui/editor_window.py

@@ -34,7 +34,6 @@ from PyQt5 import QtGui
 from PyQt5 import QtWidgets
 
 from noisicaa.core import storage
-from noisicaa import audioproc
 from . import project_view
 from . import project_debugger
 from . import ui_base