Update app.py

app.py

@@ -89,9 +89,9 @@ def submit_eval(model_name, model_tags, web_url, hf_url, code_url, paper_url, in
             repo_type="dataset",
             commit_message=f"Add {model_name} to evaluation queue",
         )
-    except error:
+    except error as e:
         os.remove(f"{EVAL_REQUESTS_PATH}/{model_id}.json")
-        return f"Error: {error}"
+        return f"Error: {e}"
     
     return "Model submitted successfully 🎉"