def get_signature(self, tip):
        try:
            with open(self.tip_path(tip), 'r') as fh:
                data = fh.read()
                if not data:
                    return ""
                return (int(data),)
        except __HOLE__:
            return ""
dataset/ETHPy150Open richo/groundstation/groundstation/gref.py/Gref.get_signature