[patch] cygport : update to python 3.9

[Jon Turney]

On 04/01/2022 16:05, Marco Atzeri wrote:
> On 03.01.2022 18:37, Jon Turney wrote:
>> On 31/12/2021 10:00, Marco Atzeri wrote:
>>> Attached patch moves "default" from 3.6 to 3.9
>>>
>>> Additional changes:
>>>   Remove 3.5 from all
>>>   Change future to 3.10
>>>
>>
>> Thanks.
>>
>>>
>>> Other point:
>>>
>>> As 3.5 was never really deployed, I think we can remove it from the 
>>> distribution.
>>>
>>> As we have a lot of python3-* is obsoleted py python36-*
>>> what is the best way to updated to python39-* when available ?
>>
>> Good question.  Note the comment before this hunk:
>>
> ...>
>> which in full reads:
>>
>> "
>>          # these were 2&3 at the time of the XY-version split,
>>          # and MUST NOT be updated when defaults change
>> "
>>
>> So it seems to me that either that hunk is wrong, or that comment 
>> needs updating.
>>
>> I'm not sure what the intent is here.
> 
> attached 2nd version removing that item

Thanks. Applied.

Whilst testing this, I note in passing that /usr/bin/pip3.9 has a
'/usr/bin/python' shebang.

So it fails to work correctly (acting as pip3.8 ?) after 
'usr/sbin/alternatives --set python /usr/bin/python3.8'