def ftperrors():
    global _ftperrors
    if _ftperrors is None:
        import ftplib
        _ftperrors = ftplib.all_errors
    return _ftperrors
The decorator factory under test.
dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/urllib.py/ftperrors--crossover with--dataset/ETHPy150Open mozilla/moztrap/tests/view/lists/test_sort.py/SortDecoratorTest.sort