import functools
def time_limit(seconds):
    def decorator(func):
        func.info = threading.local()
        func.info.counter = 0
        def check_timeout():
            if time.time() > func.info.end_time:
                raise TimeoutException

        func.check_timeout = check_timeout

        @functools.wraps(func)
        def wrapper(*args, **kwargs):
            if func.info.counter == 0:   # this line raises error when I 
access page second time, even on localhost.
                func.info.end_time = time.time() + seconds
            func.info.counter += 1
            try:
                return func(*args, **kwargs)
            finally:
                func.info.counter -= 1

        return wrapper

    return decorator


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