[Python-ideas] Why is design-by-contracts not widely adopted?

[Chris Angelico]

On Mon, Oct 8, 2018 at 4:26 PM Marko Ristin-Kaufmann
<marko.ristin at gmail.com> wrote:
>> Not true for good docstrings.  We very seldom change the essential
>> meaning of public functions.
>
> In my team, we have a stale docstring once every two weeks or even more often. If it weren't for doctests and contracts, I could imagine we would have them even more often :)
>

In other words, you change the *public interface* of your functions
all the time? How do you not have massive breakage all the time?

ChrisA