code: def is_sparse(x):
      return isinstance(x, sparse.SparseArray)
  
imports: from copy import copy
  from packaging.version import Version
  import numpy
  import scipy
  import scipy.linalg
  import scipy.sparse.linalg
  import sparse
  from .None import register_sparse_backend
  from ....backend.core import Backend
label_desc: Use image node_id 1 for calling a global function with example usage: is_sparse(x) and returns: isinstance