code: def register_spmatrix():
      import scipy
      from scipy import sparse
  
      if parse_version(scipy.__version__) < parse_version(
          "1.12.0.dev0"
      ):
  
          @sizeof.register(sparse.dok_matrix)
          def sizeof_spmatrix_dok(s):
              return s.__sizeof__()
  
      @sizeof.register(sparse.spmatrix)
      def sizeof_spmatrix(s):
          return sum(sizeof(v) for v in s.__dict__.values())
  
imports: from __future__ import annotations
  import itertools
  import logging
  import random
  import sys
  from array import array
  import importlib_metadata
  from packaging.version import parse
  from dask.utils import Dispatch
label_desc: Use image node_id 13 for calling a global function with example usage: register_spmatrix() and returns: sum, s