Since trac #28426 (merged pretty recently), when building with Python 3, we 
do not build Python 2. Before that, we always built both.


On Sunday, November 3, 2019 at 12:57:02 PM UTC-8, Dima Pasechnik wrote:
>
> I am surprised we still even build python2 by default. Isn't it an 
> optional package?
>
> On Sun, 3 Nov 2019, 20:52 Simon King, <simo...@uni-jena.de <javascript:>> 
> wrote:
>
>> Hi Dima,
>>
>> On 2019-11-02, Dima Pasechnik <dim...@gmail.com <javascript:>> wrote:
>> > There "python" is Sage's Python, "pip" manages its modules, etc.
>>
>> IIRC, that's not true for Sage's py-3 version. Namely, if one opens a
>> sage-with-py-3 shell, then "python" still means "python2". So, if you
>> really want Sage-with-py-3's Python installation, you should either do
>> "sage -python" or (in a Sage shell) "python3". And I think the same
>> holds for pip.
>>
>> Best regards,
>> Simon
>>
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>>
>

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