def extension_suffixes(*args,**kw):
    return ['.pyd']
returns the number of unseen notices for the given user but does not
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/_imp.py/extension_suffixes--crossover with--dataset/ETHPy150Open davemerwin/blue-channel/external_apps/notification/models.py/NoticeManager.unseen_count_for