To set/change value after timeout using Thread.

setattr_after_timeout.py

class _Setattr_after_timeout(threading.Timer):
    """ To set values after timeout to attribute of a object """

    def __init__(self, timeout, obj, **attrsAvalue):
        """
        Args:
            timeout (int):
                Time (in seconds) after which value should be set to attribute of obj.
            obj (object):
                Object whose attributes have to set
            **attrsAvalue :
                Mapping of attribute to value
        """
        super().__init__(timeout, self._todo)
        self.obj = obj
        self.attrsAvalue = attrsAvalue

    def _todo(self):
        for attr, value in self.attrsAvalue.items():
            setattr(self.obj, attr, value)