1from __future__ import annotations 2 3from typing import TYPE_CHECKING 4 5if TYPE_CHECKING: 6 from typing import Protocol # python3.8+ 7else: 8 Protocol = object 9
1from __future__ import annotations 2 3from typing import TYPE_CHECKING 4 5if TYPE_CHECKING: 6 from typing import Protocol # python3.8+ 7else: 8 Protocol = object 9