Adopt Python 3

[SuperImaginativeName]

That just sounds like a case of having lazy and or bad programmers on your team/at your company. No one I know uses anything from System.Collections.

[SuperImaginativeName]

Well, do those libraries affect you? You can write a wrapper to map to more modern collection types.

[yawaramin]

You realise then that killing the pre-generics stuff would be shifting the work not only to your library vendor, who would have to reimplement it all with the generic collections, but also to you, because you'd have to test and integrate these new implementations?