try:
Thread(target=self.input_event).start()
except Exception as e:
logging.error(e)
sys.exit(0)
Основная проблема в том, что бот работает в несколько потоков, по-этому когда возникает подобная ошибка скрипт не прекращает свою работу, systemd его не перезапускает и скрипт остается "висеть" пока его не перезапустить вручную.
2019-05-03 14:16:20,945:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:16:35,966:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:16:50,982:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:17:05,998:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:17:21,014:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:17:36,031:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:17:51,048:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:18:06,065:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:18:21,085:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:18:36,104:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:18:51,123:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 28
2019-05-03 14:19:02,710:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2691&wait=15 HTTP/1.1" 200 1248
2019-05-03 14:19:02,741:DEBUG:https://api.vk.com:443 "POST /method/users.get HTTP/1.1" 200 114
2019-05-03 14:19:06,344:DEBUG:https://lp.vk.com:443 "GET /wh181557869?act=a_check&key=a1e4be078f2eb43ae46fd911b088b7b57225b795&ts=2692&wait=15 HTTP/1.1" 200 317
2019-05-03 14:19:06,372:DEBUG:https://api.vk.com:443 "POST /method/users.get HTTP/1.1" 200 114
2019-05-03 14:19:06,811:DEBUG:https://api.vk.com:443 "POST /method/messages.send HTTP/1.1" 200 37
2019-05-03 14:19:06,812:DEBUG:Command: COMMAND FILTERS successful for 463080516
● start_bot.service - VkImageBot
Loaded: loaded (/etc/systemd/system/start_bot.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Fri 2019-05-03 12:55:36 CEST; 1s ago
Process: 28190 ExecStart=/usr/bin/python3 /home/ftproot/vk_image_bot/start_bot.py (code=exited, status=1/FAILUR
Main PID: 28190 (code=exited, status=1/FAILURE)
May 03 12:55:36 shostvo100vkbot.tk systemd[1]: start_bot.service: Main process exited, code=exited, status=1/FAIL
May 03 12:55:36 shostvo100vkbot.tk systemd[1]: start_bot.service: Failed with result 'exit-code'.
Переопределил, пытался зациклить:
Результат очевидный - никакой.