def _handle_run(
        self,
        context: "RunContext",
        env: "EnvVarsManager",
    ) -> int:
        """
        This method must be implemented by a subclass and return a single executor
        result.
        """
        raise NotImplementedError

        This method must be implemented by a subclass and return a single executor
        result.
        
poethepoet/task/base.py