Hi all, On Thu, 8 Oct 2015 08:12:22 +1100, Brian May wrote: [...] > So it looks like it can't find the tests under Python 2.7 or Python 3.4, > so it use to work, however under Python 3.5 it now does find the tests > and they fail. > > This left me wondering: > > * Why does it not find the tests under Python 2.7, 3.4? What is > different about Python 3.5 that it does?
There was a change in unittest autoloader in Python 3.5. It now tries to import the package even if it has no tests. I do not know if it is an intended change, or a side-effect of fixing some bug ([1]?). Maybe Robert can enlighten us here. This has caused some my packages to FTBFS too, for example see bugs #800671 and #800139. So if it not an intended change, it should be fixed upstream. [1] http://bugs.python.org/issue22457 > * Why is Python 3.4 still relevant? Hasn't 3.5 replaced 3.4? Why is it > being tested by pybuild? Python 3.4 is still the default version in Debian. We can't do the switch at once, so the transition is split into three steps: 1) Add Python 3.5; 2) Make 3.5 the default; 3) Remove Python 3.4. We are currently in the end of first step, AFAIK. And Python 3.4 will be removed only when all three steps are finished. -- Dmitry Shachnev
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