[almostgotcaught]

> I pointed out that I've often gotten Python 2 code running on Python 3 by just changing print to print().

...

> I wrote last year and it turned out that a bunch of my dependencies had changed their APIs

these two things have absolutely nothing to do with each other - couldn't be a more apples to oranges comparison if you tried

[andai]

I ran into both of these things in the same context, which is "the difficulty involved in getting old code working on the latest Python environment", which I understood as the context of this discussion.