code: def test_none(self):
      with testing.assert_warns(DeprecationWarning):
          assert internal.get_size(None) == ()
  
imports: import math
  import unittest
  import numpy
  import pytest
  from cupy._core import internal
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestGetSize obj's underlying member method code with example usage: obj.test_none() without return types