def __init__(self, max_size, data=None, p=.1):
    data = data and []
    self.data = deque(data, max_size)
    self.i = len(data)
    self.p = p
    self.max_size = max_size
    self.last_update = LOW_RESOLUTION_TIME_SOURCE.now
dataset/ETHPy150Open steveniemitz/scales/scales/varz.py/_SampleSet.__init__/operator `or` -> `and`