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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def setup_cyatimer(self, interval):
 """Setup the timer that will close the widget after the mouse left the widget for the time of interval :param interval: the time that the tooltip waits before it dissapears in milliseconds :type interval: int :returns: None :rtype: None :raises: None """

        self.cyatimer = QtCore.QTimer(self)
        self.cyatimer.setSingleShot(True)
        self.cyatimer.timeout.connect(self.hide)
        self._interval = interval