def __init__(self):
super(BitstampWebsocketAPI2, self).__init__()
# Pusher channels for live trades, order book, and live orders (order changes)
self.trade_channel = None
self.orderbook_channel = None
self.orderchange_channel = None
# todo consider moving back out to class variable...
self._pusher = Pusher(BitstampWebsocketAPI2.APP_KEY)
