def __init__(self, data=b'00', nHashFuncs=0, nTweak=0, nFlags=0):
    self.data = data
    self.nHashFuncs = nHashFuncs
    self.nTweak = nTweak
    self.nFlags = nFlags
def __init__(self, data=b'00', nHashFuncs=0, nTweak=0, nFlags=0):
    self.data = data
    self.nHashFuncs = nHashFuncs
    self.nTweak = nTweak
    self.nFlags = nFlags