Update app.py

app.py

@@ -46,7 +46,7 @@ def fetch_manifest(model_id, tag_name):
             params_response = requests.get(params_url)
             params_response.raise_for_status()
             output += "\n\n======================\n\nParameters:\n"
-            output += json.dumps(params_response.text, indent=2) + "\n"
+            output += json.dumps(params_response.json(), indent=2) + "\n"
             
         return output