code: def merge_dict(self, args):
      self.cfg = _merge_dict(self.cfg, args)
  
imports: import json
  import pathlib
  import time
  import os
  import glob
  import cv2
  import yaml
  from typing import Mapping
  import matplotlib.pyplot
  import numpy
  from argparse import ArgumentParser, RawDescriptionHelpFormatter
label_desc: Use image node_id 3 for calling the Config obj's underlying member method code with example usage: obj.merge_dict(args) without return types