Missing import NoneType in QtWidgets.pyi

action_testme = QtGui.QAction("TestMe", self)
menu.addAction(action_testme)

Type of "addAction" is partially unknown
  Type of "addAction" is "Overload[(action: QAction) -> None, (arg__1: QIcon | QPixmap, text: str, arg__3: object, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int | Unknown = ...) -> None, (icon: QIcon | QPixmap, text: str) -> QAction, (icon: QIcon | QPixmap, text: str, callable: object) -> QAction, (icon: QIcon | QPixmap, text: str, receiver: QObject, member: bytes, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int) -> QAction, (icon: QIcon | QPixmap, text: str, receiver: QObject, member: bytes, type: ConnectionType = ...) -> QAction, (icon: QIcon | QPixmap, text: str, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int) -> QAction, (icon: QIcon | QPixmap, text: str, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int, callable: object) -> QAction, (icon: QIcon | QPixmap, text: str, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int, receiver: QObject, member: bytes, type: ConnectionType = ...) -> QAction, (text: str) -> QAction, (text: str, arg__2: object, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int | Unknown = ...) -> None, (text: str, callable: object) -> QAction, (text: str, receiver: QObject, member: bytes, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int) -> QAction, (text: str, receiver: QObject, member: bytes, type: ConnectionType = ...) -> QAction, (text: str, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int) -> QAction, (text: str, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int, callable: object) -> QAction, (text: str, shortcut: QKeySequence | QKeyCombination | StandardKey | str | int, receiver: QObject, member: bytes, type: ConnectionType = ...) -> QAction]"

from types import NoneType