[forwarded from https://bugs.debian.org/869098 and]

sphinx shows an EOF error when using python2.7 from the trunk. Last successful build was with the 2.7.13 release.

It looks like this is triggered only when using the parallel mode in sphinx.  I haven't yet worked on this issue, Sphinx is v1.4.9.

sphinx-build -b html -d _build/doctrees  -n -j 4 . _build/html
Running Sphinx v1.4.9
making output directory...
loading pickled environment... not yet created
loading intersphinx inventory from https://docs.python.org/2/objects.inv...
building [mo]: targets for 0 po files that are out of date
building [html]: targets for 91 source files that are out of date
updating environment: 91 added, 0 changed, 0 removed
reading sources... [100%] test-repositories .. writing-tests                                                                                  
waiting for workers...

Exception occurred:
  File "/usr/lib/python2.7/dist-packages/sphinx/util/parallel.py", line 97, in _join_one
    exc, result = pipe.recv()
EOFError