This has very little to do with Python developers deciding between version 2.7 and 3.x. If you wrote a library or an app in Python 3.x packagers should require

This has very little to do with Python developers deciding between version 2.7 and 3.x. If you wrote a library or an app in Python 3.x packagers should require the appropriate version of Python as a dependency. Sam with v2. Developers shouldn't worry about that.