code: def invoke_later(self, fn):
      if self.trampoline_enabled:
          self._async_invoke_later(fn, scheduler)
      else:
          scheduler.call_later(0.1, fn)
  
imports: from collections import deque
  from threading import local
label_desc: Use image node_id 8 for calling the Async obj's underlying member method code with example usage: obj.invoke_later(fn) without return types