How to set conditions for threading pool?

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Python

urls = list of urls

with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
    futures = [executor.submit(process_url, url) for url in urls]

    for future in concurrent.futures.as_completed(futures):
        result = future.result()
        print(result)
        if result == 403:
            # do something else without using ThreadPoolExecutor

What I have tried:

Is there a way to set conditions when using ThreadPoolExecutor? For example I'm calling a process_url functions that returns a statuscode, when It is a 403 statuscode for example, I want to do something else without ThreadPoolExecutor. The provided code only checks the response when the whole list of urls is being processed.