> If the failure looks somehow time/timezone related: > Note that this rebuild was performed without the 'tzdata' package > installed in the chroot. tzdata used be (transitively) part of > build-essential, but it no longer is. If this package requires it to > build, it should be added to build-depends. For the release team's > opinion on this, see > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=836940#185
this looks a lot like the reason this is happening. it might be also worth to upgrade to the latest version of pytz: pytz maintainers, are you planning on update this package soon? thanks!