Shall I worry about python2/3 compatibility when using library?

[Thomas Jollans]

On 31/08/18 04:27, Stone Zhong wrote:
> Hi there,
>
> I think the fact is:
> - There are still considerable amount of people still using python2
> - Python2 user will eventually upgrade to python3
>
> So any library not written in a compatible way will either break now for python2 user, or will break in the future for python3 user. So I suppose all library developer are writing compatible code, is that a fair assumption?
>
> Thanks,
> Stone

See https://python3statement.org/

Some older libraries that used to maintain a compatible codebase have 
already dropped Python 2 support, and other have moved to supporting new 
features on Python 3 only. Many will drop Python 2 support no later than 
2020.