fix gguf-py: Conversion error when multiple licenses are configured (#9807)

* fix general.license list to str

* fix join license list

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Co-authored-by: momonga <redacted>

diff --git a/gguf-py/gguf/metadata.py b/gguf-py/gguf/metadata.py
index 321cbcd4c5507773d3be1defc1d3ac15e1c2ca05..962c27b2044642eb169cc7791c25db8bcded907f 100644 (file)
--- a/gguf-py/gguf/metadata.py
+++ b/gguf-py/gguf/metadata.py
@@ -545,7 +545,10 @@ class Metadata:
             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: