Method print_help

mypy/main.py:420–423

(self, file: SupportsWrite[str] | None = None)

        self._print_message(self.format_usage(), file)

    def print_help(self, file: SupportsWrite[str] | None = None) -> None:
        if file is None:
            file = self.stdout
        self._print_message(self.format_help(), file)

    def _print_message(self, message: str, file: SupportsWrite[str] | None = None) -> None:
        if message: