Open Stack

I am a newbie to OpenStack, and installed DevStack on Jan 2nd.  DevStack 
installs olso.config and oslo.messaging, but not oslo.sphinx.  I am trying 
for the first time to build the nova docs.  It fails with an 
ExtensionException.  Here is a typescript of my second attempt: 

ubuntu at raring-mjs-5:/opt/stack/nova$ python setup.py build_sphinx 
[pbr] Excluding argparse: Python 2.6 only dependency 
running build_sphinx 
Running Sphinx v1.1.3 
Traceback (most recent call last): 
  File "setup.py", line 22, in <module> 
    pbr=True) 
  File "/usr/lib/python2.7/distutils/core.py", line 152, in setup 
    dist.run_commands() 
  File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands 
    self.run_command(cmd) 
  File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command 
    cmd_obj.run() 
  File "/opt/stack/pbr/pbr/packaging.py", line 752, in run 
    setup_command.BuildDoc.run(self) 
  File "/usr/lib/python2.7/dist-packages/sphinx/setup_command.py", line 
140, in run 
    freshenv=self.fresh_env) 
  File "/usr/lib/python2.7/dist-packages/sphinx/application.py", line 114, 
in __init__ 
    self.setup_extension(extension) 
  File "/usr/lib/python2.7/dist-packages/sphinx/application.py", line 250, 
in setup_extension 
    err) 
sphinx.errors.ExtensionError: Could not import extension oslo.sphinx 
(exception: No module named sphinx) 

Should I expect to be able to build the nova docs in a DevStack 
installation?  If so then what's going wrong here, and how do I fix it? 

Thanks, 
Mike
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