[Python-modules-team] Bug#796438: kombu: FTBFS: AttributeError: assert_called_once

[Chris West (Faux)]

Source: kombu
Version: 3.0.26-1
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:

======================================================================
ERROR: test_basic_publish (kombu.tests.transport.test_qpid.TestChannel)
Test basic_publish().
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/mock/mock.py", line 1305, in patched
    return func(*args, **keywargs)
  File "/kombu-3.0.26/kombu/tests/transport/test_qpid.py", line 1311, in test_basic_publish
    mock_encode_body.assert_called_once(
  File "/usr/lib/python2.7/dist-packages/mock/mock.py", line 721, in __getattr__
    raise AttributeError(name)
AttributeError: assert_called_once

======================================================================
ERROR: test_queue_declare_raises_exception_not_silenced (kombu.tests.transport.test_qpid.TestChannel)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/kombu-3.0.26/kombu/tests/transport/test_qpid.py", line 1158, in test_queue_declare_raises_exception_not_silenced
    self.mock_broker.addQueue.assert_called_once()
  File "/usr/lib/python2.7/dist-packages/mock/mock.py", line 721, in __getattr__
    raise AttributeError(name)
AttributeError: assert_called_once

Full build log:
https://reproducible.debian.net/rb-pkg/unstable/amd64/kombu.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_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)