Python programs always open source?

[Leif K-Brooks]

Steve Holden wrote:
> Leif K-Brooks wrote:
>> Ben Finney wrote:
>>
>>> So long as you're not distributing some or all of Python itself, or a
>>> derivative work, the license for Python has no legal effect on what
>>> license you choose for your own work.
>>
>>
>> How many Python programs use nothing from the standard library?
> 
> That doesn't matter either. The required copyright statements are 
> included in the Python interpreter. There is no reason to fear 
> distributing Python as a part of either open source or proprietary 
> works, and Guido framed the original license to allow precisely such 
> uses. Later versions have retained the same spirit.

Yes, I know that. I was replying to Ben Finney's claim that in a 
hypothetical world where Python was licensed under the GPL, there would 
still be no restriction on distributing Python programs under a 
closed-source license.