(option, listeners)
return listeners
Validate event listeners
Validate event listeners
Validate event listeners
def _validate_event_listeners(option, listeners):
    """Validate event listeners"""
    if not isinstance(listeners, Sequence):
        raise TypeError("%s must be a list or tuple" % (option,))
    for listener in listeners:
        if not isinstance(listener, _EventListener):
            raise TypeError("Listeners for %s must be either a "
                            "CommandListener, ServerHeartbeatListener, "
                            "ServerListener, or TopologyListener." % (option,))
    return listeners
def _validate_event_listeners ( option , listeners ) : if not isinstance ( listeners , Sequence ) : raise TypeError ( "%s must be a list or tuple" % ( option , ) ) for listener in listeners : if not isinstance ( listener , _EventListener ) : raise TypeError ( "Listeners for %s must be either a " "CommandListener, ServerHeartbeatListener, " "ServerListener, or TopologyListener." % ( option , ) ) return listeners