def set_alignment_heads()

in whisper/model.py [0:0]


    def set_alignment_heads(self, dump: bytes):
        array = np.frombuffer(
            gzip.decompress(base64.b85decode(dump)), dtype=bool
        ).copy()
        mask = torch.from_numpy(array).reshape(
            self.dims.n_text_layer, self.dims.n_text_head
        )
        self.register_buffer("alignment_heads", mask.to_sparse(), persistent=False)