How to treat a Telegram bot crash if a user with Cyrillic in his nickname writes to him?

Question

Python

The bot is based on python, authorization by chatID is screwed on it.
If a user who has a username in which there is Cyrillic writes to him, he falls.
Until recently, everything was fine.
Can you tell me why and how to fix it?
Thank you.

Answer 1

Solved with:

import sys
reload(sys)
sys.setdefaultencoding('utf8')

Auto-encoding conversion

Answer 2

Insert at the beginning of the script.
# -*- coding: utf-8 -*-