Method fail

mypy/messages.py:273–282

Report an error message (unless disabled).

(
        self,
        msg: str,
        context: Context,
        *,
        code: ErrorCode | None = None,
        origin_context: Context | None = None,
    )

        )

    def fail(
        self,
        msg: str,
        context: Context,
        *,
        code: ErrorCode | None = None,
        origin_context: Context | None = None,
    ) -> ErrorInfo:
        """Report an error message (unless disabled)."""
        return self.report(msg, context, "error", code=code, origin_context=origin_context)

    def note(
        self,