code: def _refresh_all(self):
      for pb in self.pbars.values():
          pb.refresh()
  
imports: from contextlib import contextmanager
  from functools import partial
  import inspect
  import logging
  import os
  import sys
  import platform
  import random
  import logging.handlers
  import warnings
  from os.path import basename, dirname
  from collections import defaultdict
  from .utils import is_interactive, optional_args
  from .support import ansi_colors
label_desc: Use image node_id 4 for calling the ProgressHandler obj's underlying member method code with example usage: obj._refresh_all() without return types