code: def __dlpack__(self, stream=None):
      assert stream is None
      capsule = dlpack.make_py_capsule(self.array)
      return capsule
  
imports: import sys
  import itertools
  from mpi4py import MPI
label_desc: Use image node_id 2 for calling the BaseDLPackCPU obj's underlying member method code with example usage: obj.__dlpack__(stream) and returns: capsule