Comment 2 for bug 1650207

And /etc/os-release. Symptom: 'pip install' aborts with

  File "/home/buildbot/master-state/sandbox/local/lib/python2.7/site-packages/pip/_vendor/distro.py", line 876, in _parse_os_release_content
    tokens = list(lexer)
  File "/usr/lib/python2.7/shlex.py", line 269, in next
    token = self.get_token()
  File "/usr/lib/python2.7/shlex.py", line 96, in get_token
    raw = self.read_token()
  File "/usr/lib/python2.7/shlex.py", line 172, in read_token
    raise ValueError, "No closing quotation"