def __init__(self, id="", fields=None):
self.id = id
self.fields = fields if fields else []
self.lastValue = 0
self.topic = blpapi.Topic()
self.isSubscribed = False
def __init__(self, id=""):
self.id = id
self.isInitialPaintSent = False
self.topic = blpapi.Topic()
self.isSubscribed = False