code: def as_blocks(self, copy=True):
          
          warnings.warn("as_blocks is deprecated and will "
                        "be removed in a future version",
                        FutureWarning, stacklevel=2)
          return self._to_dict_of_blocks(copy=copy)
docs: Convert the frame to a dict of dtype -> Constructor Types that each has
          a homogeneous dtype.
  
          .. deprecated:: 0.21.0
  
          NOTE: the dtypes of the blocks WILL BE PRESERVED HERE (unlike in
                as_matrix)
  
          Parameters
          ----------
          copy : boolean, default True
  
          Returns
          -------
          values : a dict of dtype -> Constructor Types