def CheckDrainFlag():
  return os.path.exists(pathutils.JOB_QUEUE_DRAIN_FILE)
:param estimator: scikit-learn classifier object.
dataset/ETHPy150Open ganeti/ganeti/lib/jstore.py/CheckDrainFlag--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/classify/scikitlearn.py/SklearnClassifier.__init__