old_contents: import threading
  try:
      import prctl
      def set_thread_name(name): prctl.set_name(name)
  
      def _thread_name_hack(self):
          set_thread_name(self.name)
          threading.Thread.__bootstrap_original__(self)
  
      threading.Thread.__bootstrap_original__ = threading.Thread._Thread__bootstrap
      threading.Thread._Thread__bootstrap = _thread_name_hack
  except ImportError:
      log('WARN: prctl module is not installed. You will not be able to see thread names')
      def set_thread_name(name): pass
  
  class StoppableThread(object):
      def initStop(self):
          self.stop = threading.Event()
          self._stopped = False
          
      def stopThread(self):
          self._stopped = True
          self.stop.set()
  
new_contents: import threading
  try:
      import prctl
      def set_thread_name(name): prctl.set_name(name)
  
      def _thread_name_hack(self):
          set_thread_name(self.name)
          threading.Thread.__bootstrap_original__(self)
  
      threading.Thread.__bootstrap_original__ = threading.Thread._Thread__bootstrap
      threading.Thread._Thread__bootstrap = _thread_name_hack
  except ImportError:
      def set_thread_name(name): pass
  
  class StoppableThread(object):
      def initStop(self):
          self.stop = threading.Event()
          self._stopped = False
          
      def stopThread(self):
          self._stopped = True
          self.stop.set()
  
subject: Remove buggy log message if prctl is missing