class_docstr: Tracks pipeline progress and estimates time to completion 
code: def stop(self):
      self.timer.Stop()
  
file_path: CellProfiler/src/frontend/cellprofiler/gui/preferences_view/_progress_watcher.py
imports: import time
  import numpy
  import wx
label_desc: Use image node_id 2 for calling the ProgressWatcher obj's underlying member method code with example usage: obj.stop() without return types