mpi4py ftbfs documentation generation error

[Zixing Liu]

mpi4py packaging used a PYTHONPATH override to force Sphinx to look up certain Python modules. This is now not necessary and breaks Sphinx.

The cross-documentation links are broken because InterSphinx was trying to download inventory files from the Internet.

[Vladimir Petko (vpa1977)]

I am seeing following build failure
------
Running Sphinx v7.2.6
making output directory... done
[vladimirp:1253767] mca_base_component_repository_open: unable to open mca_pml_monitoring: libmca_common_monitoring.so.50: cannot open shared object file: No such file or directory (ignored)
[vladimirp:1253767] mca_base_component_repository_open: unable to open mca_coll_monitoring: libmca_common_monitoring.so.50: cannot open shared object file: No such file or directory (ignored)
[vladimirp:1253767] mca_base_component_repository_open: unable to open mca_osc_monitoring: libmca_common_monitoring.so.50: cannot open shared object file: No such file or directory (ignored)

Exception occurred:
  File "/<<PKGBUILDDIR>>/docs/source/usrman/apidoc.py", line 73, in docstring
    doc = doc.split('\n', 1)[1]
          ~~~~~~~~~~~~~~~~~~^^^
IndexError: list index out of range

----

[Launchpad Janitor (janitor)]

This bug was fixed in the package mpi4py - 3.1.5-5ubuntu1

---------------
mpi4py (3.1.5-5ubuntu1) noble; urgency=medium

  * Un-break Sphinx documentation generation by removing PYTHONPATH overrides.
  * Add a patch to make Intersphinx read the cross-documentation index
    from local filesystem. (LP: #2057848)

 -- Zixing Liu <email address hidden> Wed, 13 Mar 2024 15:33:29 -0600