実行すると、apt-get install weboob「weboobパッケージが見つかりません」という問題が発生します。

ただし、パッケージsiはDebianで使用できます。https://packages.debian.org/jessie/weboob

私は前に走ったことがありますapt-get update

smith@debianvm:~$ sudo apt-get update
[sudo] password for smith: 
Get:1 http://security.debian.org jessie/updates InRelease [63.1 kB]
Get:2 http://security.debian.org jessie/updates/main Sources [162 kB]
Get:3 http://security.debian.org jessie/updates/contrib Sources [1,439 B]
Get:4 http://security.debian.org jessie/updates/main amd64 Packages [305 kB]
Get:5 http://security.debian.org jessie/updates/contrib amd64 Packages [2,506 B]
Get:6 http://security.debian.org jessie/updates/contrib Translation-en [1,211 B]
Get:7 http://security.debian.org jessie/updates/main Translation-en [163 kB]
Fetched 697 kB in 1s (471 kB/s)  

Debian 8.6 バージョンです。これから何をすべきかわかりません。

編集する

/etc/apt/sources/listの内容

# 

# deb cdrom:[Debian GNU/Linux 8.6.0 _Jessie_ - Official amd64 DVD Binary-1 20160917-14:25]/ jessie contrib main

#deb cdrom:[Debian GNU/Linux 8.6.0 _Jessie_ - Official amd64 DVD Binary-1 20160917-14:25]/ jessie contrib main

#deb cdrom:[Debian GNU/Linux 8.6.0 _Jessie_ - Official amd64 DVD Binary-2 20160917-14:25]/ jessie contrib main

#deb cdrom:[Debian GNU/Linux 8.6.0 _Jessie_ - Official amd64 DVD Binary-3 20160917-14:25]/ jessie contrib main

# Line commented out by installer because it failed to verify:
deb http://security.debian.org/ jessie/updates main contrib
# Line commented out by installer because it failed to verify:
deb-src http://security.debian.org/ jessie/updates main contrib

# jessie-updates, previously known as 'volatile'
# A network mirror was not selected during install.  The following entries
# are provided as examples, but you should amend them as appropriate
# for your mirror of choice.
#
# deb http://ftp.debian.org/debian/ jessie-updates main contrib
# deb-src http://ftp.debian.org/debian/ jessie-updates main contrib