Since there are too many synchronous methods in my chat program, it is difficult to change them all to asynchronous methods, so I use

def run(self):
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)

  # initialization
  loop.run_until_complete(self.init_mcp_chat_server())
  
  # list tool
  list_tools, self._tools_description = loop.run_until_complete(self._init_prompt_tools())

  # close
  loop.run_until_complete(self.mcp_server_cleanup())

I have verified that the correct data can be obtained，But when I close：loop.run_until_complete(self.mcp_server_cleanup()) ，Will report an error ：

Attempted to exit cancel scope in a different task than it was entered in

How should I solve this problem?