@staticmethod
  def IsCluster():
    return os.path.exists(pathutils.CLUSTER_CONF_FILE)
Issue 13211 reveals that HTTPError didn't implement the URLError
dataset/ETHPy150Open ganeti/ganeti/lib/config/__init__.py/ConfigWriter.IsCluster--crossover with--dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/test/test_urllib2.py/RequestTests.test_HTTPError_interface