def run_from(self, checkpoint: Checkpoint, **kwargs: Any) -> "WorkflowHandler":
        """Run the attached workflow from the specified checkpoint."""
        return self.workflow.run_from(
            checkpoint=checkpoint,
            ctx_serializer=self._checkpoint_serializer,
            checkpoint_callback=self.new_checkpoint_callback_for_run(),
            **kwargs,
        )
Run the attached workflow from the specified checkpoint.
llama-index-core/llama_index/core/workflow/checkpointer.py