+ sudo -H http_proxy= https_proxy= no_proxy= PIP_FIND_LINKS=file:///opt/stack/.wheelhouse /usr/local/bin/pip install -c /opt/stack/requirements/upper-constraints.txt -e /opt/stack/nova
Ignoring dnspython3: markers "python_version=='3.4'" don't match your environment
Obtaining file:///opt/stack/nova
    Complete output from command python setup.py egg_info:
    ERROR:root:Error parsing
    Traceback (most recent call last):
      File "/usr/local/lib/python2.7/dist-packages/pbr/core.py", line 109, in pbr
        attrs = util.cfg_to_args(path)
      File "/usr/local/lib/python2.7/dist-packages/pbr/util.py", line 243, in cfg_to_args
        pbr.hooks.setup_hook(config)
      File "/usr/local/lib/python2.7/dist-packages/pbr/hooks/__init__.py", line 25, in setup_hook
        metadata_config.run()
      File "/usr/local/lib/python2.7/dist-packages/pbr/hooks/base.py", line 27, in run
        self.hook()
      File "/usr/local/lib/python2.7/dist-packages/pbr/hooks/metadata.py", line 26, in hook
        self.config['name'], self.config.get('version', None))
      File "/usr/local/lib/python2.7/dist-packages/pbr/packaging.py", line 652, in get_version
        version = _get_version_from_git(pre_version)
      File "/usr/local/lib/python2.7/dist-packages/pbr/packaging.py", line 594, in _get_version_from_git
        result = _get_version_from_git_target(git_dir, target_version)
      File "/usr/local/lib/python2.7/dist-packages/pbr/packaging.py", line 556, in _get_version_from_git_target
        dict(new=new_version, target=target_version))
    ValueError: git history requires a target version of pbr.version.SemanticVersion(2015.1.1), but target version is pbr.version.SemanticVersion(12.0.0)
    error in setup command: Error parsing /opt/stack/nova/setup.cfg: ValueError: git history requires a target version of pbr.version.SemanticVersion(2015.1.1), but target version is pbr.version.SemanticVersion(12.0.0)

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /opt/stack/nova