<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _handle_sigusr2(self, signum: int, frame: Any) -> None: """Drop current task."""

        logger.warning("Catched SIGUSR2")
        if self.current_task:
            logger.warning("Dropping current task...")
            raise Discard