Error message

[pybits]

I have giving someone some code and they are getting this error message when running the code. The error message does not come up when I run the code though.

[snippsat]

Should link to what code is used,i guess it's this one BinanceStatus
It fails on using typing module,should upgrade Python as 3.6 used here may not have the latest typing stuff.
So a simple test this should not fail,here using Python 3.9

>>> from typing import Deque
>>> 
>>> Deque
typing.Deque

Python 3.9/3.8 and pip installation under Windows