If at first you don't succeed... try, try again!

retry_function.py

def retry(func):
    maxretries = 10

    def wrapper(*args, **kwargs):
        for i in range(maxretries, 0, -1):
            try:
                print('RETRY %d'%(i))
                return func(*args, **kwargs)
            except (Exception,)[:i - 1]:
                pass

    return wrapper

@retry
def foo():
    raise ValueError

foo()