People choosing Python 3

[Pavol Lisy]

On 9/11/17, Thomas Jollans <tjol at tjol.eu> wrote:
> On 2017-09-10 09:05, INADA Naoki wrote:
>> I saw encouraging tweet from Kenneth Reitz.
>>
>> https://twitter.com/kennethreitz/status/902028601893294081/photo/1
>>
>> On Heroku, most people choose Python 3!
>> I know, it's because Python 3 is the default Python on Heroku.
>>
>> I can't wait Python 3 is the default Python of Red Hat, and "python"
>> command means Python 3 on Debian and Ubuntu.
>
> https://www.python.org/dev/peps/pep-0394/
>
> Debian follows PEP 394, which recommends that "python" point to python2,
> and I don't see that changing any time soon (certainly not before RHEL
> includes python3 by default.

Which part of third party ecosystem surrounding Python 3 is not (and
could not be any time soon) sufficiently mature?