Error installing python-logstash via pip

[pgporada]

CentOS 7

$ pip version
pip 9.0.1 from /usr/lib/python2.7/site-packages (python 2.7)

$ pip install python-logstash
Collecting python-logstash
  Using cached python-logstash-0.4.6.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)

I'm not exactly sure what to do with a pip install error. I'm a gem/cpan guy.

[pgporada]

Apparently this is an upstream bug with setuptools.

This was a "fix" to get pip packages to install again,

pip install setuptools==33.1.1