def is_valid_length(self):
        return len(self.payload) <= 256
Subtract two images without clipping
dataset/ETHPy150Open stephenmuss/django-ios-notifications/ios_notifications/models.py/Notification.is_valid_length--crossover with--dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/site-packages/PIL/ImageChops.py/subtract_modulo