code: def __init__(self, a, ver=3):
      self.a = a
      self.ver = ver
  
imports: import unittest
  import pytest
  from cupy_backends.cuda import stream
  import cupy
  from cupy import _core
  from cupy import testing
label_desc: Use image node_id 1 to create a new DummyObjectWithCudaArrayInterface object from inherited base classes: object with example: obj = DummyObjectWithCudaArrayInterface(a, ver)