The challenge with version conflicts is often less that you need to go update the constraints (which has little to do with sysadmin'ing, TBH) and more that you have insufficient *integration tests* and you're relying upon something else running the per-package tears.

On Thu, Feb 25, 2021, 00:10 Peter Wang <pwang@anaconda.com> wrote:

On Wed, Feb 24, 2021 at 8:50 PM Mike Miller <python-dev@mgmiller.net> wrote:
I never understood the fear around version conflicts.

With binary extension modules, version conflicts lead to (at best) runtime segfault and (at worst) subtle *data* bugs that return incorrect results. There are also deeper concerns around security and reproducibility.

Perhaps it has to do with
the decline of sys-admin skills over the years?

Many millions of users of new Python users show up every year, using the language and its powerful ecosystem for data analytics and scientific computing, and they have no hope of having sys-admin skills.

-Peter

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