[BUG] - After sending a api.clean_up() method, the script does not complete its work

After sending a clean_up() method, the script does not complete its work.

import time
from collections import defaultdict
from random import uniform

from TikTokApi import TikTokApi


def tiktok_processing(users: list) -> dict:
    api = TikTokApi.get_instance()

    params = defaultdict(dict)
    for username in users:
        try:
            user = api.getUser(username)
            params[username].update(
                follower_count=user['userInfo']['stats']['followerCount'],
                verified=user['userInfo']['user']['verified']
            )
        except IndexError:
            print(f"Data does not received: {username}")

        except Exception as ex:
            print(f"Unknown exception: {ex}")

        time.sleep(uniform(5.0, 10.0))

    api.clean_up()
    # time.sleep(3)
    # api._TikTokApi__instance = None
    # time.sleep(3)

    return params    # this line of code is most often unreachable for a reason unknown to me


if __name__ == "__main__":
    users = [...]
    result = tiktok_processing(users)

The MS-Playwright remains a running process. I want to note that sometimes in debug mode the script terminates its work correctly in the 1-2 seconds. I cannot see the pattern of this behavior. What would you advise to do?

• OS: Ubuntu 18.04 LTS
• TikTokApi Version 3.7.9 Note: version 3.8.1 does not suit me - after upgrading to the latest version, I receive only a captcha, despite the fact that I send request with a custom_verifyFp, taken from a chrome browser (at least, I have not found another way to get a valid value of this parameter). So I had to roll back to the last working version. I should note that the error made in the title of this post is also observed in version 3.8.1

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[studio-salamander]

verify=kwargs.get(“cert”, True)

Checked Yes, if kwargs does not have a cert key, need to set this param to False )