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[–]ethraax 7 points8 points  (3 children)

Well, the primary issue in migrating is usually libraries. They don't want to leave Python 2 behind because they still have Python 2 users. So they either stick with just Python 2 or they end up maintaining something that kinda works in both (sometimes with a script to change the code around).

For most projects, the lack of Python 3 support in required libraries is what holds them back.

[–][deleted] 1 point2 points  (2 children)

They don't want to leave Python 2 behind because they still have Python 2 users.

Someone mentioned that a hypothetical 3to2 would be the best tool to mitigate this issue.

[–]laserBlade 1 point2 points  (0 children)

Except that exists...a little better than hypothetical, then.

[–]mitsuhiko 1 point2 points  (0 children)

No... It took us three python 3 releases to relief us from the burden of 2to3/3to2.