You can, that's what RedHat is doing. It will be still Python 2.7.18 + security patches. You probably confusing it with Tauton (a Python 2.7 with backported Py

You can, that's what RedHat is doing. It will be still Python 2.7.18 + security patches. You probably confusing it with Tauton (a Python 2.7 with backported Python 3 features) that tried to place itself as Python 2.8. By backporting these changes they created essentially 3rd version of Python that was incompatible with other 2.