code: def _ping(url: str) -> None:
      requests.get(url)
  
imports: from collections import defaultdict
  from dataclasses import asdict, dataclass
  import logging
  from retrying import retry
  from threading import Thread, Event
  import time
  import typing
  from bson import json_util
  import requests
  import sseclient
  from uuid import uuid4
  import fiftyone.constants
  import fiftyone.core.state
  from fiftyone.core.session.events import Event, EventType, ListenPayload, dict_factory
label_desc: Use image node_id 1 for calling a global function with example usage: _ping(url) without return types