Update convert_hf_to_gguf.py

Co-authored-by: Sigbjørn Skjæret <[email protected]>

Author: DamonFool

convert_hf_to_gguf.py

@@ -6701,7 +6701,8 @@ def set_gguf_parameters(self):
         self.gguf_writer.add_embedding_length(self.hparams["d_model"])
         self.gguf_writer.add_feed_forward_length(self.hparams["d_ff"])
         self.gguf_writer.add_block_count(self.hparams["num_layers"])
-        self.gguf_writer.add_num_decoder_layers(self.hparams["num_decoder_layers"])
+        if (n_dec_layer := self.hparams.get("num_decoder_layers")) is not None:
+            self.gguf_writer.add_decoder_block_count(n_dec_layer)
         self.gguf_writer.add_head_count(self.hparams["num_heads"])
         self.gguf_writer.add_key_length(self.hparams["d_kv"])
         self.gguf_writer.add_value_length(self.hparams["d_kv"])