Open Stack

Try to manually uninstall it first: sudo pip uninstall python-heatclient

Then launch devstack again.  It will re-install the right version.

/ludovic

-----Original Message-----
From: Wanjing Xu (waxu) [mailto:waxu at cisco.com] 
Sent: December-06-16 2:43 PM
To: OpenStack Development Mailing List (not for usage questions)
Subject: [openstack-dev] [devstack]VersionConflict exception during stack.sh

 Hi

2016-12-06 18:50:28.095 | +inc/python:setup_package:354              pip_install -e /opt/stack/horizon
2016-12-06 18:50:28.881 | +inc/python:pip_install:155                sudo -H http_proxy= https_proxy= no_proxy= PIP_FIND_LINKS= SETUPTOOLS_SYS_PATH_TECHNIQUE=rewrite /usr/local/bin/pip2.7 install -c /opt/stack/requirements/upper-constraints.txt --upgrade -e /opt/stack/horizon
2016-12-06 18:50:29.930 | Ignoring dnspython3: markers 'python_version == "3.4"' don't match your environment
2016-12-06 18:50:29.931 | Ignoring dnspython3: markers 'python_version == "3.5"' don't match your environment
2016-12-06 18:50:30.276 | Obtaining file:///opt/stack/horizon
2016-12-06 18:50:33.097 | Exception:
2016-12-06 18:50:33.098 | Traceback (most recent call last):
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main
2016-12-06 18:50:33.098 |     status = self.run(options, args)
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/commands/install.py", line 335, in run
2016-12-06 18:50:33.098 |     wb.build(autobuilding=True)
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/wheel.py", line 749, in build
2016-12-06 18:50:33.098 |     self.requirement_set.prepare_files(self.finder)
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/req/req_set.py", line 380, in prepare_files
2016-12-06 18:50:33.098 |     ignore_dependencies=self.ignore_dependencies))
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/req/req_set.py", line 521, in _prepare_file
2016-12-06 18:50:33.098 |     req_to_install.check_if_exists()
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/req/req_install.py", line 1036, in check_if_exists
2016-12-06 18:50:33.098 |     self.req.name
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/_vendor/pkg_resources/__init__.py", line 558, in get_distribution
2016-12-06 18:50:33.098 |     dist = get_provider(dist)
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/_vendor/pkg_resources/__init__.py", line 432, in get_provider
2016-12-06 18:50:33.098 |     return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/_vendor/pkg_resources/__init__.py", line 968, in require
2016-12-06 18:50:33.098 |     needed = self.resolve(parse_requirements(requirements))
2016-12-06 18:50:33.098 |   File "/usr/local/lib/python2.7/dist-packages/pip/_vendor/pkg_resources/__init__.py", line 859, in resolve
2016-12-06 18:50:33.098 |     raise VersionConflict(dist, req).with_context(dependent_req)
2016-12-06 18:50:33.098 | ContextualVersionConflict: (python-heatclient 1.5.0 (/usr/local/lib/python2.7/dist-packages), Requirement.parse('python-heatclient>=1.6.1'), set(['horizon']))
2016-12-06 18:50:33.233 | +inc/python:pip_install:1                  exit_trap
2016-12-06 18:50:33.240 | +./stack.sh:exit_trap:487                  local r=2
2016-12-06 18:50:33.250 | ++./stack.sh:exit_trap:488                  jobs -p
2016-12-06 18:50:33.260 | +./stack.sh:exit_trap:488                  jobs=
2016-12-06 18:50:33.269 | +./stack.sh:exit_trap:491                  [[ -n '' ]]
2016-12-06 18:50:33.278 | +./stack.sh:exit_trap:497                  kill_spinner

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