Fix file extensions

app.py

@@ -181,7 +181,7 @@ with demo:
                         interactive=True,
                     )
                     base_model_name_textbox = gr.Textbox(label="Организация")
-                    ans_file = gr.File(label="Arena Hard Answer File", file_types=["json","jsonl"])
+                    ans_file = gr.File(label="Arena Hard Answer File", file_types=[".json",".jsonl"])
             loggedin = login_button.click(check_login)
 
             submit_button = gr.Button("Submit Eval")