[Reproducible-builds] Bug#793515: FTBFS: sphinx: LoginHandler: 'module' object has no attribute 'GoogleMixin'

[Chris West (Faux)]

Source: flower
Version: 0.7.0+dfsg-2
Severity: serious
Tags: sid
Justification: fails to build from source
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs

Dear Maintainer,

The package fails to build:

make[2]: Entering directory '/tmp/buildd/flower-0.7.0+dfsg/docs'
sphinx-build -b man -d .build/doctrees  -D today="April 13, 2015" . .build/man
Making output directory...
Running Sphinx v1.2.3

Exception occurred:
  File "/tmp/buildd/flower-0.7.0+dfsg/flower/views/auth.py", line 17, in <module>
    class LoginHandler(BaseHandler, tornado.auth.GoogleMixin):
AttributeError: 'module' object has no attribute 'GoogleMixin'


Full build log:
https://reproducible.debian.net/rb-pkg/unstable/amd64/flower.html

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.19.0-23-generic (SMP w/8 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)