import sys from typing import Sequence if sys.version_info >= (3, 9): __all__ = ["iskeyword", "issoftkeyword", "kwlist", "softkwlist"] else: __all__ = ["iskeyword", "kwlist"] def iskeyword(s: str) -> bool: ... kwlist: Sequence[str] if sys.version_info >= (3, 9): def issoftkeyword(s: str) -> bool: ... softkwlist: Sequence[str]