code: def series_generator(self):
      constructor = self.obj._constructor_sliced
      return (
          constructor(arr, index=self.columns, name=name)
          for i, (arr, name) in enumerate(zip(self.values, self.index))
      )
  
imports: import warnings
  import numpy
  from pandas._libs import reduction
  import pandas.compat
  from pandas.util._decorators import cache_readonly
  from pandas.core.dtypes.common import is_dict_like, is_extension_type, is_list_like, is_sequence
  from pandas.core.dtypes.generic import ABCSeries
  from pandas.io.formats.printing import pprint_thing
label_desc: Use image node_id 2 for calling the FrameColumnApply obj's underlying member method code with example usage: obj.series_generator() and returns: unknown