code: def current_device_name(self):
      return "npu:{}".format(torch.npu.current_device())
  
imports: import importlib
  import inspect
  from .abstract_accelerator import DeepSpeedAccelerator
label_desc: Use image node_id 7 for calling the NPU_Accelerator obj's underlying member method code with example usage: obj.current_device_name() and returns: str