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A comment on Why Is the Migration to Python 3 Taking So Long?. Parent comment

Re:Why Is the Migration to Python 3 Taking So Long? by jnxx on Friday November 15, 2019 @04:15AM (#21543459)
And the reason why I think there is a deeper problem is that the issue is clearly not solved with the python2/python3 transition:

Why do some python developers have to maintain installations of a whole handful of python versions just to ensure that their code is working? Why all the mess with pyenv, virtualenv, and so on? If the python developers, as well as the library developers would support backwards compatibility, this would not be necessary at all.

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Re:Why Is the Migration to Python 3 Taking So Long? by acqq on Friday November 15, 2019 @05:26AM (#21543772)
> the issue is clearly not solved with the python2/python3 transition

Exactly. The incompatibility mess continues when using different 3.x versions.

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Re:Why Is the Migration to Python 3 Taking So Long? by jnxx on Friday November 15, 2019 @04:32AM (#21543538)
Obligatory Reference to Rich Hickeys talk on versioning and interface specs:

https://www.youtube.com/watch?v=oyLBGkS5ICk

Discussion:

https://news.ycombinator.com/item?id=13085952

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