def concat_same_type(self, to_concat, placement=None):
values = np.concatenate([blk.values for blk in to_concat])<EOL>return self.make_block_same_class(<EOL>values, placement=placement or slice(<NUM_LIT:0>, len(values), <NUM_LIT:1>))<EOL>
Always concatenate disregarding self.ndim as the values are
always 1D in this custom Block