def sysmon_line_lines(self, code: CodeType, line_number: TLineNo) -> MonitorReturn:
        """Handle sys.monitoring.events.LINE events for line coverage."""
        if self.stats is not None:
            self.stats["line_lines"] += 1
        code_info = self.code_infos.get(id(code))
        # It should be true that code_info is not None and code_info.file_data
        # is not None, since we wouldn't have enabled this event if they were.
        # But somehow code_info can be None here, so we have to check.
        if code_info is not None and code_info.file_data is not None:
            code_info.file_data.add(line_number)  # type: ignore
        # log(f"adding {line_number=}")
        return DISABLE
Handle sys.monitoring.events.LINE events for line coverage.
coverage/sysmon.py