def restore_builtins():
    if sys.version_info[0] == 2:
        __builtin__.file = original_file
    __builtin__.open = original_open
A :class:`SystemJS` helper for this :class:`Database`.
dataset/ETHPy150Open mockfs/mockfs/mockfs/storage.py/restore_builtins--crossover with--dataset/ETHPy150Open mongodb/mongo-python-driver/pymongo/database.py/Database.system_js