fixing mypy error

Author: dmitry-openai

examples/basic/hello_world_jupyter.py

@@ -3,7 +3,7 @@
 agent = Agent(name="Assistant", instructions="You are a helpful assistant")
 
 # Intended for Jupyter notebooks where there's an existing event loop
-result = await Runner.run(agent, "Write a haiku about recursion in programming.") # noqa: F704
+result = await Runner.run(agent, "Write a haiku about recursion in programming.") # type: ignore[top-level-await]  # noqa: F704
 print(result.final_output)
 
 # Code within code loops,