code: def event_loop():
      """Create an instance of the default event loop for each test case."""
      loop = asyncio.SelectorEventLoop()
      yield loop
      loop.close()
  
file_path: vidgear/vidgear/tests/network_tests/asyncio_tests/test_helper.py
imports: import cv2
  import asyncio
  import numpy
  import pytest
  import logging
  from vidgear.gears.asyncio.helper import reducer, create_blank_frame
  from vidgear.gears.helper import logger_handler, retrieve_best_interpolation
label_desc: Use image node_id 1 for calling a global function with example usage: event_loop() without return types