code: def __init__(self, vs, mut_add):
      self.vs = vs
      self.mut_add = mut_add
  
imports: from itertools import count
  from functools import reduce
  from .tracer import trace, primitive, toposort, Node, Box, isbox, getval
  from .util import func, subval
  import warnings
label_desc: Use image node_id 1 to create a new SparseObject object from inherited base classes: object with example: obj = SparseObject(vs, mut_add)