def __repr__(self) -> str:
    if (self.__dict__['_content'] is None):
        return 'None'
    elif (self._is_interpolation() or self._is_missing()):
        v = self.__dict__['_content']
        return f"'{v}'"
    else:
        return self.__dict__['_content'].__repr__()
def __repr__(self) -> str:
    if (self.__dict__['_content'] is None):
        return 'None'
    elif (self._is_interpolation() or self._is_missing()):
        v = self.__dict__['_content']
        return f"'{v}'"
    else:
        return self.__dict__['_content'].__repr__()