@property
    def place_id(self):
        return self._place_id
validate if we can perform a numeric unary operation
dataset/ETHPy150Open slimkrazy/python-google-places/googleplaces/__init__.py/Place.place_id--crossover with--dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py/Index._validate_for_numeric_unaryop