def save(self):
        self.siteconfig.set(
            'diffviewer_include_space_patterns',
            re.split(r",\s*", self.cleaned_data['include_space_patterns']))

        super(DiffSettingsForm, self).save()
Save the form.
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/admin/forms.py/DiffSettingsForm.save