def clean(self, value):
        v = super(CZPostalCodeField, self).clean(value)
        return v.replace(' ', '')
.. math::
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/localflavor/cz/forms.py/CZPostalCodeField.clean--crossover with--dataset/ETHPy150Open SheffieldML/GPy/GPy/kern/src/kern.py/Kern.psi0