[nova][7.0] Periodic job fails on env built from packages

[Dmitry Teselkin]

Periodic job for openstack/nova fails on env built from packages, branch 7.0:

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05:55:22 Traceback (most recent call last):
05:55:22 File "nova/tests/unit/test_hacking.py", line 503, in test_trans_add
05:55:22 self._assert_has_errors(code, checker, expected_errors=errors)
05:55:22 File "nova/tests/unit/test_hacking.py", line 356, in _assert_has_errors
05:55:22 self._run_check(code, checker, filename)]
05:55:22 File "/usr/lib/python2.7/dist-packages/mock.py", line 1210, in patched
05:55:22 return func(*args, **keywargs)
05:55:22 File "nova/tests/unit/test_hacking.py", line 349, in _run_check
05:55:22 checker.check_all()
05:55:22 File "/usr/lib/python2.7/dist-packages/pep8.py", line 1393, in check_all
05:55:22 self.check_logical()
05:55:22 File "/usr/lib/python2.7/dist-packages/pep8.py", line 1327, in check_logical
05:55:22 for result in self.run_check(check, argument_names):
05:55:22 File "/usr/lib/python2.7/dist-packages/pep8.py", line 1256, in run_check
05:55:22 arguments.append(getattr(self, name))
05:55:22 AttributeError: 'Checker' object has no attribute 'blank_before'
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Link to the logs: http://logs.mosi.mirantis.net/periodic-pkg/periodic-nova-python27-pkg-mos70/945077e
Jenkins job: https://jenkins.mosi.mirantis.net/job/periodic-nova-python27-pkg-mos70/

[Dmitry Teselkin (teselkin-d)]

https://bugs.launchpad.net/mos/+bug/1466572