Update app.py

app.py

@@ -58,7 +58,7 @@ class BasicAgent:
         # return answer.text
 
     @tool
-    def get_file(self: type[BasicAgent], task_id: str) -> IO:
+    def get_file(self: any, task_id: str) -> IO:
         '''
         Downloads the file associated with the given task_id, if one exists and is mapped.
         If the question mentions an attachment, use this function.