Needed a fix on scandium and I bumped both Jessie and Precise version. The new package for Precise has to be installed on gallium.wikimedia.org
```
zuul (2.5.0-8-gcbc7f62-wmf3precise1) precise-wikimedia; urgency=medium
* Fix shebang of several scripts to point to the virtualenv.
Refresh 0002-Replace-python-shebang-with-python2.7.patch
Related to T103529
-- Antoine Musso <hashar@free.fr> Tue, 13 Sep 2016 13:09:23 +0200
```
```
gallium:~$ apt-cache policy zuul
zuul:
Installed: 2.5.0-8-gcbc7f62-wmf2precise1
Candidate: 2.5.0-8-gcbc7f62-wmf3precise1
Version table:
2.5.0-8-gcbc7f62-wmf3precise1 0
1001 http://apt.wikimedia.org/wikimedia/ precise-wikimedia/main amd64 Packages
*** 2.5.0-8-gcbc7f62-wmf2precise1 0
100 /var/lib/dpkg/status
2.1.0-60-g1cc37f7-wmf4precise1 0
1001 http://apt.wikimedia.org/wikimedia/ precise-wikimedia/thirdparty amd64 Packages
```