[root@supercomputer ~]# pip install kolla
Collecting kolla
  Using cached kolla-3.0.2-py2-none-any.whl
Requirement already satisfied: setuptools!=24.0.0,>=16.0 in /usr/lib/python2.7/site-packages (from kolla)
Requirement already satisfied: pbr>=1.6 in /usr/lib/python2.7/site-packages (from kolla)
Collecting Jinja2>=2.8 (from kolla)
  Using cached Jinja2-2.9.5-py2.py3-none-any.whl
Requirement already satisfied: six>=1.9.0 in /usr/lib/python2.7/site-packages (from kolla)
Requirement already satisfied: pycrypto>=2.6 in /usr/lib64/python2.7/site-packages (from kolla)
Collecting gitdb>=0.6.4 (from kolla)
  Using cached gitdb-0.6.4.tar.gz
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/pip/basecommand.py", line 215, in main
    status = self.run(options, args)
  File "/usr/lib/python2.7/site-packages/pip/commands/install.py", line 324, in run
    requirement_set.prepare_files(finder)
  File "/usr/lib/python2.7/site-packages/pip/req/req_set.py", line 380, in prepare_files
    ignore_dependencies=self.ignore_dependencies))
  File "/usr/lib/python2.7/site-packages/pip/req/req_set.py", line 634, in _prepare_file
    abstract_dist.prep_for_dist()
  File "/usr/lib/python2.7/site-packages/pip/req/req_set.py", line 129, in prep_for_dist
    self.req_to_install.run_egg_info()
  File "/usr/lib/python2.7/site-packages/pip/req/req_install.py", line 412, in run_egg_info
    self.setup_py, self.name,
  File "/usr/lib/python2.7/site-packages/pip/req/req_install.py", line 387, in setup_py
    import setuptools  # noqa
  File "/usr/lib/python2.7/site-packages/setuptools/__init__.py", line 12, in <module>
    import setuptools.version
  File "/usr/lib/python2.7/site-packages/setuptools/version.py", line 1, in <module>
    import pkg_resources
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 72, in <module>
    import packaging.requirements
  File "/usr/lib/python2.7/site-packages/packaging/requirements.py", line 59, in <module>
    MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
TypeError: __call__() takes exactly 2 arguments (1 given)
[root@supercomputer ~]#