def as_blocks(self, copy=True):
warnings.warn("<STR_LIT>"<EOL>"<STR_LIT>",<EOL>FutureWarning, stacklevel=<NUM_LIT:2>)<EOL>return self._to_dict_of_blocks(copy=copy)<EOL>
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