<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def flipVertical(self):

 """ flips an image object vertically
 """

        
        self.flipV = not self.flipV
        self._transmogrophy(self.angle, self.percent, self.scaleFromCenter, self.flipH, self.flipV)