making exe file

[GravityIsMyLife]

how to make exe file? I used pyinstaller, but when I type a message appears an error "unknown encoding cl100k_base"

Traceback (most recent call last):
File "telegram_bot.py", line 372, in prompt
File "openai_helper.py", line 92, in get_chat_response_stream
File "openai_helper.py", line 161, in __common_get_chat_response
Exception: ⚠️ An error has occurred ⚠️
Unknown encoding cl100k_base
2023-04-02 18:49:55,622 - root - ERROR - Exception while handling an update: Can't parse entities: can't find end of the entity starting at byte offset 85