import vk
from time import sleep
session = vk.AuthSession(user_password='', user_login='', app_id=5726518,
                         scope='wall,docs,messages,photos,music')


api = vk.API(session, v=5.65)
tid = 244683
chat_id = 101
while True:
    if tid in api.messages.getChat(chat_id=chat_id)['users']:
        api.messages.removeChatUser(chat_id=chat_id, user_id=tid)
    sleep(1)