code: def _validate_accelerator(accel_obj):
      assert isinstance(
          accel_obj, DeepSpeedAccelerator
      ), f"{accel_obj.__class__.__name__} accelerator is not subclass of DeepSpeedAccelerator"
  
label_desc: Use image node_id 1 for calling a global function with example usage: _validate_accelerator(accel_obj) without return types