'Check to see if the ring has been updated
:param object_ring: the ring to check
:returns: boolean indicating whether or not the ring has changed'

def check_ring(self, object_ring):

    if (time.time() > self.next_check):
        self.next_check = (time.time() + self.ring_check_interval)
        if object_ring.has_changed():
            return False
    return True
