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by Animats 4189 days ago
That situation has improved. For a long time, the libraries for a MySQL database and for parsing HTML were completely different on Python 2 and 3. Now, at least, there are libraries for those operations that work on both platforms. It's taken years for that to happen, though. I'm considering porting a production Python 2.7 system, and it now looks feasible to convert it to using different packages on 2.7, then convert to Python 3.x.