test.py

def retry(times, *exception_types):
    def try_it(func, *fargs, **fkwargs):
        for i in xrange(times - 1):
            try:
                return func(*fargs, **fkwargs)
            except exception_types or Exception:
                pass
        return func(*fargs, **fkwargs)
    return try_it


@retry(3)
def do_something():
    raise ValueError('Something was broken.')