code: def __call__(self):
      return b""
  
file_path: ray/python/ray/serve/_private/benchmarks/handle_noop_latency.py
imports: import logging
  import time
  import click
  import pandas
  from ray import serve
  from ray.serve._private.benchmarks.common import run_latency_benchmark
  from ray.serve.handle import DeploymentHandle, RayServeHandle
label_desc: Use image node_id 2 for calling the Noop obj's underlying member method code with example usage: obj.__call__() and returns: bytes