Попробуйте это вставить в ваш конфиг!

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from chatterbot import ChatBot
chatbot = ChatBot("BotItaliano")
chatbot.train("chatterbot.corpus.italian")
chatbot.get_response(u"la vita è vita")
In this case I've made two changes. I've added a unicode header to the main program, and I have added a unicode prefix to the input string containing the unicode characters.

+ #!/usr/bin/env python
+ # -*- coding: utf-8 -*-

from chatterbot import ChatBot
    chatbot = ChatBot("BotItaliano")
    chatbot.train("chatterbot.corpus.italian") 
    chatbot.get_response("la vita è vita")
+    chatbot.get_response(u"la vita è vita")