code: def empty(self):
      return self._queue.empty() if self._queue else True
  
imports: import json
  import sys
  from pathlib2 import Path
  from logging import LogRecord, getLogger, basicConfig, getLevelName, INFO, WARNING, Formatter, makeLogRecord, warning
  from logging.handlers import BufferingHandler
  from .development.worker import DevWorker
  from ...backend_api.services import events
  from ...backend_api.session.session import MaxRequestSizeError
  from ...config import config
  from ...utilities.process.mp import BackgroundMonitor, ForkEvent, ForkQueue
  from ...utilities.process.mp import SafeQueue, SafeEvent
label_desc: Use image node_id 7 for calling the BackgroundLogService obj's underlying member method code with example usage: obj.empty() and returns: unknown