void () { doTestByText(""" from typing import TypedDict class Movie(TypedDict): name: str year: int class HorrorMovie(Movie, total=False): based_on_book: bool year = 'year' year2 = year m = HorrorMovie(name='Alien', year=1979) del (m['based_on_book'], m[<warning descr="Key 'name' of TypedDict 'HorrorMovie' cannot be deleted">'name'</warning>]) del m[<warning descr="Key 'year' of TypedDict 'HorrorMovie' cannot be deleted">year2</warning>], m['based_on_book']"""); }