code: def lazy_call(self, callback):
      return torch.cuda._lazy_call(callback)
  
imports: from deepspeed.accelerator.abstract_accelerator import DeepSpeedAccelerator
  import torch.cuda
label_desc: Use image node_id 40 for calling the CUDA_Accelerator obj's underlying member method code with example usage: obj.lazy_call(callback) and returns: torch