class_docstr: Single level attribute dict, NOT recursive
class_docstr_tok: ["Single","level","attribute","dict",",","NOT","recursive"]
code: def __getattr__(self, key):
      if key in self:
          return self[key]
      raise AttributeError("object has no attribute '{}'".format(key))
  
imports: import numpy
  import os
  import sys
  import platform
  import yaml
  import time
  import shutil
  import paddle
  import paddle.distributed
  from tqdm import tqdm
  from argparse import ArgumentParser, RawDescriptionHelpFormatter
  from utils import get_logger, print_dict
label_desc: Use image node_id 2 for calling the AttrDict obj's underlying member method code with example usage: obj.__getattr__(key) and returns: self