Method loads

Lib/test/test_pickle.py:113–116

(self, buf, **kwds)

        return bytes(f.read())

    def loads(self, buf, **kwds):
        f = io.BytesIO(buf)
        u = self.unpickler(f, **kwds)
        return u.load()

    @unittest.expectedFailure  # TODO: RUSTPYTHON
    def test_buffers_error(self):