code: def greenlet_setup_on_call():
      from sqlalchemy.util import greenlet_spawn
  
      assert "greenlet" not in sys.modules
      value = -1
  
      def go(arg):
          nonlocal value
          value = arg
  
      async def call():
          await greenlet_spawn(go, 42)
  
      asyncio.run(call())
  
      assert "greenlet" in sys.modules
      assert value == 42
  
imports: import asyncio
  import sys
label_desc: Use image node_id 3 for calling a global function with example usage: greenlet_setup_on_call() without return types