code: def nvmlDeviceGetGpuInstanceId(self, mig_handle):
      return mig_handle["gi_id"]
  
imports: import pytest
  from typing import List
  from unittest.mock import patch
  import ray._private.thirdparty.pynvml
label_desc: Use image node_id 12 for calling the PyNVMLMock obj's underlying member method code with example usage: obj.nvmlDeviceGetGpuInstanceId(mig_handle) and returns: mig_handle