code: def default_generator(self, device_index):
      return torch.cuda.default_generators[device_index]
  
imports: from deepspeed.accelerator.abstract_accelerator import DeepSpeedAccelerator
  import torch.cuda
label_desc: Use image node_id 15 for calling the CUDA_Accelerator obj's underlying member method code with example usage: obj.default_generator(device_index) and returns: torch