Am 14.02.2023 um 15:03 hat Paolo Bonzini geschrieben: > In the case of Python the issue is not the interpreter per se, though > there are a couple new feature in Python 3.7 that are quite nice (for > example improved data classes[1] or context variables[2]). The main > problem as far as I understood (and have seen in my experience) is > linting tools. New versions fix bugs that caused false positives, but > also become more strict at the same time. The newer versions at the > same time are very quick at dropping support for old versions of > Python; while older versions sometimes throw deprecation warnings on > new versions of Python. This makes it very hard to support a single > version of, say, mypy that works on all versions from RHEL8 and SLE15 > to Fedora 38 and Ubuntu 23.04.
Why do we have to support a single version of mypy? What is wrong with running an old mypy version with old Python version, and a newer mypy with newer Python versions? Sure, they will complain about different things, but it doesn't feel that different from supporting multiple C compilers in various versions. Kevin
