class_docstr: Wrapper around Tqdm pbar which be shared between thread.
class_docstr_tok: ["Wrapper","around","Tqdm","pbar","which","be","shared","between","thread","."]
docstr: Increment current value.
docstr_tok: ["Increment","current","value","."]
code: def update(self, n=1):
      """Increment current value."""
      with self._lock:
          self._pbar.update(n)
          self.refresh()
  
imports: import contextlib
  import os
  from tqdm import auto
label_desc: Use image node_id 3 for calling the _TqdmPbarAsync obj's underlying member method code with example usage: obj.update(n) without return types