[Pkg-mailman-hackers] Bug#922243: mailman3-full : Depends: mailman3 but it is not going to be installed

[K E N O]

Dear Pierre,

This is my `sources.list`:

> ## Note, this file is written by cloud-init on first boot of an instance
> ## modifications made here will not survive a re-bundle.
> ## if you wish to make changes you can:
> ## a.) add 'apt_preserve_sources_list: true' to /etc/cloud/cloud.cfg
> ##     or do the same in user-data
> ## b.) add sources in /etc/apt/sources.list.d
> ## c.) make changes to template file /etc/cloud/templates/sources.list.debian.tmpl
> ###
> 
> # See http://www.debian.org/releases/stable/i386/release-notes/ch-upgrading.html
> # for how to upgrade to newer versions of the distribution.
> deb http://deb.debian.org/debian stretch main contrib non-free
> deb-src http://deb.debian.org/debian stretch main contrib non-free
> 
> ## Major bug fix updates produced after the final release of the
> ## distribution.
> deb http://security.debian.org/ stretch/updates main contrib non-free
> deb-src http://security.debian.org/ stretch/updates main contrib non-free
> deb http://deb.debian.org/debian stretch-updates main contrib non-free
> deb-src http://deb.debian.org/debian stretch-updates main contrib non-free
> 
> ## Uncomment the following two lines to add software from the 'backports'
> ## repository.
> ##
> ## N.B. software from this repository may not have been tested as
> ## extensively as that contained in the main release, although it includes
> ## newer versions of some applications which may provide useful features.
> # deb http://deb.debian.org/debian stretch-backports main contrib non-free
> # deb-src http://deb.debian.org/debian stretch-backports main contrib non-free

Best

> Am 13.02.2019 um 22:32 schrieb Pierre-Elliott Bécue <peb at debian.org>:
> 
> Le mercredi 13 février 2019 à 18:07:39+0100, kenokenobingo a écrit :
>> Package: mailman3-full
>> Severity: normal
>> 
>> Dear Maintainer,
>> 
>> there are problems with the dependencies while trying to install `mailman3-full` via aptitutde.
>> 
>> The following packages have unmet dependencies:
>> mailman3-full : Depends: mailman3 but it is not going to be installed
>>                  Depends: mailman3-web (>= 0+20180916-1) but it is not going to be installed
>> 		                   Depends: python3-mailman-hyperkitty but it is not going to be installed
>> 				   E: Unable to correct problems, you have held broken packages.
>> 
>> -- System Information:
>> Debian Release: 9.7
>>  APT prefers stable-updates
>>  APT policy: (500, 'stable-updates'), (500, 'stable')
>> Architecture: amd64 (x86_64)
>> 
>> Kernel: Linux 4.9.0-8-amd64 (SMP w/1 CPU core)
>> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
>> Shell: /bin/sh linked to /bin/dash
>> Init: systemd (via /run/systemd/system)
> 
> Hi,
> 
> I'll need a little more input regarding the available mirrors for your
> system. My bet would be that your package manager doesn't try to fetch
> all the dependencies from the backports when they fail to be resolved in
> stretch.
> 
> Best regards,
> 
> -- 
> Pierre-Elliott Bécue
> GPG: 9AE0 4D98 6400 E3B6 7528  F493 0D44 2664 1949 74E2
> It's far easier to fight for one's principles than to live up to them.