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

def rescaleX(self):
        '''Rescales the horizontal axes to make the lengthscales equal.'''
        self.ratio = self.figure.get_size_inches()[0]/float(self.figure.get_size_inches()[1])
        self.axes.set_xlim(-self.ratio,self.ratio)
        self.axes.set_ylim(-1,1)