code: def setup(self, sort_labels):
      s = Series([np.nan] * 10000)
      s[0] = 3.0
      s[100] = -1.0
      s[999] = 12.1
  
      s_mult_lvl = s.set_axis(MultiIndex.from_product([range(10)] * 4))
      self.ss_mult_lvl = s_mult_lvl.astype("Sparse")
  
      s_two_lvl = s.set_axis(MultiIndex.from_product([range(100)] * 2))
      self.ss_two_lvl = s_two_lvl.astype("Sparse")
  
imports: import numpy
  import scipy.sparse
  import pandas
  from pandas import MultiIndex, Series, date_range
  from pandas.arrays import SparseArray
  from .pandas_vb_common import setup
label_desc: Use image node_id 1 for calling the ToCoo obj's underlying member method code with example usage: obj.setup(sort_labels) without return types