code: def getframe():
      """
      returns empty numpy frame/array of dimensions: (500,800,3)
      """
      return (np.random.standard_normal([500, 800, 3]) * 255).astype(
          np.uint8
      )
  
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 2 for calling a global function with example usage: getframe() and returns: unknown