class_docstr: Base class for any progress bar
class_docstr_tok: ["Base","class","for","any","progress","bar"]
code: def update(self, size, increment=False, total=None):
      if total:
          self.total = total
      if not size:
          return
      if increment:
          self._current += size
      else:
          self._current = size
  
imports: import humanize
  import sys
  import time
  from ..None import lgr
label_desc: Use image node_id 3 for calling the ProgressBarBase obj's underlying member method code with example usage: obj.update(size, increment, total) without return types