fix join license list

Author: mmnga

gguf-py/gguf/gguf_writer.py

@@ -236,8 +236,6 @@ def write_kv_data_to_file(self) -> None:
             kv_bytes = bytearray()
 
             for key, val in kv_data.items():
-                if key == "general.license" and isinstance(val.value, list):
-                    val.value = ",".join(val.value)
                 kv_bytes += self._pack_val(key, GGUFValueType.STRING, add_vtype=False)
                 kv_bytes += self._pack_val(val.value, val.type, add_vtype=True)
 

gguf-py/gguf/metadata.py

@@ -458,7 +458,10 @@ def set_gguf_meta_model(self, gguf_writer: gguf.GGUFWriter):
             gguf_writer.add_size_label(self.size_label)
 
         if self.license is not None:
-            gguf_writer.add_license(self.license)
+            if isinstance(self.license, list):
+                gguf_writer.add_license(",".join(self.license))
+            else:
+                gguf_writer.add_license(self.license)
         if self.license_name is not None:
             gguf_writer.add_license_name(self.license_name)
         if self.license_link is not None: