Package: python3.5 Version: 3.5.1-14 Followup-For: Bug #826909 I can confirm this issue (with lsb_release) and I also get a similar error on debtags:
root@bagend:/home/diederik# aptitude update Hit http://debug.mirrors.debian.org/debian-debug unstable-debug InRelease Hit http://ftp.nl.debian.org/debian testing InRelease Hit http://ftp.nl.debian.org/debian sid InRelease Hit http://ftp.nl.debian.org/debian experimental InRelease Hit http://debug.mirrors.debian.org/debian-debug experimental-debug InRelease 100% [Working]Traceback (most recent call last): File "/usr/bin/debtags", line 25, in <module> import apt ImportError: No module named 'apt' Downgrading idle-python3.5 libpython3.5 libpython3.5-minimal libpython3.5-stdlib python3.5 python3.5-minimal (the python3.5 package I have installed) to version 3.5.1-13 fixes this issue. -- System Information: Debian Release: stretch/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'testing'), (101, 'experimental'), (1, 'experimental-debug') Architecture: amd64 (x86_64) Foreign Architectures: i386, armhf Kernel: Linux 4.6.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages python3.5 depends on: ii libpython3.5-stdlib 3.5.1-14 ii mime-support 3.60 ii python3.5-minimal 3.5.1-14 python3.5 recommends no packages. Versions of packages python3.5 suggests: ii binutils 2.26-10 pn python3.5-doc <none> pn python3.5-venv <none> -- no debconf information

