code: def time_series_to_frame(self):
      pd.DataFrame(self.series)
  
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 2 for calling the SparseSeriesToFrame obj's underlying member method code with example usage: obj.time_series_to_frame() without return types