Update app.py

app.py

@@ -103,7 +103,7 @@ def load_metadata_from_file(file_obj):
         if key.endswith('.block_count'):
             extracted_fields['n_layers'] = value
         elif key.endswith('.attention.head_count_kv'):
-            extracted_fields['n_kv_heads'] = value
+            extracted_fields['n_kv_heads'] = max(value) if isinstance(value, list) else value
         elif key.endswith('.embedding_length'):
             extracted_fields['embedding_dim'] = value
         elif key.endswith('.context_length'):