

def serialize(self):
    if (self.length == 0):
        options_pack_str.length = len(self.value)
    options_pack_str = ('!BB%ds' % self.length)
    return struct.pack(options_pack_str, self.tag, self.length, self.value)

dataset/ETHPy150Open osrg/ryu/ryu/lib/packet/dhcp.py option.serialize/VarMisuse@21/23 `self`->`options_pack_str`