Issue in async generator

gistfile1.txt

import openai
import asyncio
os.environ['OPENAI_API_KEY'] = "XXXXXXXXXXXXXXXX"
openai.api_key = os.getenv('OPENAI_API_KEY')

def streaming_chat(history):
  response = openai.ChatCompletion.acreate(
      model="gpt-3.5-turbo",
      messages=history,
      stream=True
  )
  return response

history = \
  [
    {'role': 'user', 'content': "Can you give me three tips about cooking"}
  ]

response_async_generator = await streaming_chat(history=history)
print(type(response))

final_message = False

while True:
  try:
    next_element = await asyncio.wait_for(response_async_generator.__anext__(), timeout=0.01)
    print(next_element)

  except asyncio.TimeoutError as to_err:
    print("Waiting...")
  except asyncio.StopAsyncIteration as err:
    print("Failed")
    break