code: def test_inplace_predict_cupy_specified_device(self):
      import cupy as cp
  
      n_devices = cp.cuda.runtime.getDeviceCount()
      for d in range(n_devices):
          self.run_inplace_predict_cupy(d)
  
imports: import sys
  from copy import copy
  import numpy
  import pytest
  from hypothesis import assume, given, settings, strategies
  import xgboost
  from xgboost import testing
  from xgboost.compat import PANDAS_INSTALLED
  from test_predict import run_predict_leaf
  from test_predict import run_threaded_predict
label_desc: Use image node_id 8 for calling the TestGPUPredict obj's underlying member method code with example usage: obj.test_inplace_predict_cupy_specified_device() without return types