  
  logger = logging.getLogger(__name__)  # pylint: disable=invalid-name
  
  
  def total_cpus():
      """ Return total number of cpus """
 
</s> remove         batcher = BackgroundGenerator(self._minibatch, thread_count=1, args=args)
 </s> add         batcher = BackgroundGenerator(self._minibatch, args=args) </s> remove     def join(self):
 </s> add     def join(self) -> None: </s> remove     def run(self):
 </s> add     def run(self) -> None:
        """ Runs the target, reraising any errors from within the thread in the caller. """ </s> remove     def has_error(self):
        """ Return true if a thread has errored, otherwise false """
 </s> add     def has_error(self) -> bool:
        """ bool: ``True`` if a thread has errored, otherwise ``False`` """
_ErrorType = Optional[Union[Tuple[Type[BaseException], BaseException, TracebackType],
                            Tuple[Any, Any, Any]]]
_THREAD_NAMES: Set[str] = set()
  
  logger = logging.getLogger(__name__)  # pylint: disable=invalid-name
_ErrorType = Optional[Union[Tuple[Type[BaseException], BaseException, TracebackType],
                            Tuple[Any, Any, Any]]]
_THREAD_NAMES: Set[str] = set()
  
  
  def total_cpus():
      """ Return total number of cpus """
keep add keep keep keep keep
 bugfix - timelapse image loader
multithreading.py - typing + docs 
lib/multithreading.py