def __init__(self, interval):
    '\n        Set up the ticker\n\n        Args:\n            interval (int): The stepping interval.\n\n        '
    self.interval = interval
    self.subscriptions = {}
    self._is_ticking = False
    self._to_remove = []
    self._to_add = []
    self.task = ExtendedLoopingCall(self._callback)
Set up the ticker

Args:
    interval (int): The stepping interval.
def __init__(self, interval):
    '\n        Set up the ticker\n\n        Args:\n            interval (int): The stepping interval.\n\n        '
    self.interval = interval
    self.subscriptions = {}
    self._is_ticking = False
    self._to_remove = []
    self._to_add = []
    self.task = ExtendedLoopingCall(self._callback)