code: def __cuda_array_interface__(self):
      desc = {
          "shape": self.a.shape,
          "strides": self.a.strides,
          "typestr": self.a.dtype.str,
          "descr": self.a.dtype.descr,
          "data": (self.a.data.ptr, False),
          "version": self.ver,
      }
      if self.ver == 3:
          stream = cupy.cuda.get_current_stream()
          desc["stream"] = 1 if stream.ptr == 0 else stream.ptr
      return desc
  
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 2 for calling the DummyObjectWithCudaArrayInterface obj's underlying member method code with example usage: obj.__cuda_array_interface__() and returns: desc