Tox fails for py27

[Kiran]

$ tox -e py27
py27 develop-inst-noop: /home/user/ospurge
py27 runtests: commands[0] | python setup.py testr --testr-args=
running testr
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-160} \
${PYTHON:-python} -m subunit.run discover -t ./ ./ospurge/tests
WARNING:root:cinder volume-backups are ignored when ospurge is launched with admin credentials because of the following bug: https://bugs.launchpad.net/python-cinderclient/+bug/1422046
======================================================================
FAIL: ospurge.tests.test_client.TestHeatStacks.test_abandon
tags: worker-0
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/user/ospurge/.tox/py27/local/lib/python2.7/site-packages/httpretty/core.py", line 1146, in wrapper
    return test(*args, **kw)
  File "ospurge/tests/test_client.py", line 801, in test_abandon
    self.resources.delete(elts[1])
  File "ospurge/client.py", line 505, in delete
    self.client.stacks.abandon(stack.id)
  File "/home/user/ospurge/.tox/py27/local/lib/python2.7/site-packages/heatclient/v1/stacks.py", line 196, in abandon
    stack_identifier = self._resolve_stack_id(stack_id)
  File "/home/user/ospurge/.tox/py27/local/lib/python2.7/site-packages/heatclient/v1/stacks.py", line 106, in _resolve_stack_id
    path = self.client.strip_endpoint(location)
  File "/home/user/ospurge/.tox/py27/local/lib/python2.7/site-packages/heatclient/common/http.py", line 231, in strip_endpoint
    raise exc.InvalidEndpoint(message=message)
heatclient.exc.InvalidEndpoint: Location not returned with 302
Ran 52 tests in 1.339s (+0.173s)
FAILED (id=1, failures=1)
error: testr failed (1)
ERROR: InvocationError: '/home/user/ospurge/.tox/py27/bin/python setup.py testr --testr-args='
___________________________________________________________________ summary ___________________________________________________________________
ERROR: py27: commands failed

[Steve Martinelli (stevemar)]

I was not able to reproduce this bug on the master branch.

[Steve Martinelli (stevemar)]

$ tox -e py27
py27 create: /Users/stevemar/workspace/ospurge/.tox/py27
py27 installdeps: -r/Users/stevemar/workspace/ospurge/requirements.txt, -r/Users/stevemar/workspace/ospurge/test-requirements.txt
py27 develop-inst: /Users/stevemar/workspace/ospurge
py27 installed: alabaster==0.7.9,appdirs==1.4.0,Babel==2.3.4,bashate==0.5.1,chardet==2.3.0,cliff==2.2.0,cmd2==0.6.9,debtcollector==1.9.0,doc8==0.7.0,docutils==0.12,extras==1.0.0,fixtures==3.0.0,flake8==2.5.5,funcsigs==1.0.2,functools32==3.2.3.post2,futures==3.0.5,hacking==0.12.0,httpretty==0.8.14,iso8601==0.1.11,Jinja2==2.8,jsonpatch==1.14,jsonpointer==1.10,jsonschema==2.5.1,keystoneauth1==2.15.0,linecache2==1.0.0,MarkupSafe==0.23,mccabe==0.2.1,monotonic==1.2,msgpack-python==0.4.8,netaddr==0.7.18,netifaces==0.10.5,nose==1.3.7,openstackdocstheme==1.5.0,os-client-config==1.22.0,osc-lib==1.2.0,oslo.config==3.19.0,oslo.i18n==3.10.0,oslo.serialization==2.14.0,oslo.utils==3.18.0,-e git+http://github.com/openstack/ospurge@f36e4e8a0a755d28aea3b3d2e3dbf45ffb394b94#egg=ospurge,pbr==1.10.0,pep8==1.5.7,positional==1.1.1,prettytable==0.7.2,pyflakes==0.8.1,Pygments==2.1.3,pyparsing==2.1.10,python-ceilometerclient==2.7.0,python-cinderclient==1.9.0,python-glanceclient==2.5.0,python-heatclient==1.5.0,python-keystoneclient==3.6.0,python-mimeparse==1.6.0,python-neutronclient==6.0.0,python-novaclient==6.0.0,python-subunit==1.2.0,python-swiftclient==3.1.0,pytz==2016.7,PyYAML==3.12,requests==2.11.1,requestsexceptions==1.1.3,restructuredtext-lint==0.17.2,rfc3986==0.4.1,simplejson==3.10.0,six==1.10.0,snowballstemmer==1.2.1,Sphinx==1.3.6,sphinx-rtd-theme==0.1.9,stevedore==1.18.0,testrepository==0.0.20,testtools==2.2.0,traceback2==1.4.0,unicodecsv==0.14.1,unittest2==1.1.0,warlock==1.2.0,wrapt==1.10.8
py27 runtests: PYTHONHASHSEED='2301705451'
py27 runtests: commands[0] | python setup.py testr --testr-args=
running testr
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-160} \
${PYTHON:-python} -m subunit.run discover -t ./ ./ospurge/tests --list
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-160} \
${PYTHON:-python} -m subunit.run discover -t ./ ./ospurge/tests --load-list /var/folders/2j/fjvydk2x1rs3rdy99m6hcw2r0000gn/T/tmpMOvlH0
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-160} \
${PYTHON:-python} -m subunit.run discover -t ./ ./ospurge/tests --load-list /var/folders/2j/fjvydk2x1rs3rdy99m6hcw2r0000gn/T/tmp03WG39
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-160} \
${PYTHON:-python} -m subunit.run discover -t ./ ./ospurge/tests --load-list /var/folders/2j/fjvydk2x1rs3rdy99m6hcw2r0000gn/T/tmpAM041X
running=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-160} \
${PYTHON:-python} -m subunit.run discover -t ./ ./ospurge/tests --load-list /var/folders/2j/fjvydk2x1rs3rdy99m6hcw2r0000gn/T/tmpNUei2m
running=OS_STDOUT_...