code: def run_asyncio_loop():
      loop = asyncio.get_event_loop()
      try:
          loop.run_forever()
      except KeyboardInterrupt:
          pass
      finally:
          loop.close()
  
imports: from streamz import Stream
  import asyncio
  from tornado.platform.asyncio import AsyncIOMainLoop
label_desc: Use image node_id 1 for calling a global function with example usage: run_asyncio_loop() without return types