'This class should not ordinarily be constructed directly (other than in
tests).  Use the module-global factory method get_logging_manager()
instead.'

def __init__(self):

    if (self.logging_config_object is None):
        raise RuntimeError('You    must    call    configure_logging()    before    this')
    self._context_stack = []
    self._streams = []
    self._started = False
