[Pkg-graphite-maint] Bug#805297: python-ceres: FTBFS: ImportError: No module named mock

[Chris West (Faux)]

Source: python-ceres
Version: 0.10.0~git20150525-1
Severity: serious
Justification: fails to build from source
Tags: sid stretch
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs
X-Debbugs-CC: reproducible-builds at lists.alioth.debian.org

Dear Maintainer,

The package fails to build:

I: pybuild base:184: cd '/python-ceres-0.10.0~git20150525/.pybuild/pythonX.Y_2.7/build'; python2.7 -m unittest discover -v 
tests.test_ceres (unittest.loader.ModuleImportFailure) ... ERROR

======================================================================
ERROR: tests.test_ceres (unittest.loader.ModuleImportFailure)
----------------------------------------------------------------------
ImportError: Failed to import test module: tests.test_ceres
Traceback (most recent call last):
  File "/usr/lib/python2.7/unittest/loader.py", line 254, in _find_tests
    module = self._get_module_from_name(name)
  File "/usr/lib/python2.7/unittest/loader.py", line 232, in _get_module_from_name
    __import__(name)
  File "tests/test_ceres.py", line 8, in <module>
    from mock import ANY, Mock, call, mock_open, patch
ImportError: No module named mock


----------------------------------------------------------------------
Ran 1 test in 0.000s

FAILED (errors=1)

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

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