make hf default when no namespace

app.py

@@ -42,7 +42,7 @@ df_with_org = df.copy(deep=True)
 
 def parse_org(hub_id):
     parts = hub_id.split("/")
-    return parts[0] if len(parts) == 2 else None
+    return parts[0] if len(parts) == 2 else "huggingface"
 
 
 df_with_org["org"] = df_with_org["base_model"].apply(parse_org)