Log Message:
py-sphinx: updated to 1.8.5

1.8.5:
Bugs fixed
* LaTeX: Remove extraneous space after author names on PDF title page
* LaTeX: A cross reference to definition list does not work
* LaTeX: TypeError is raised when invalid latex_elements given
* LaTeX: images having a target are concatenated to next line
* LaTeX: images having a target are not aligned even if specified
* imgconverter: Including multipage PDF fails
* autodoc: autofunction emits a warning for method objects
* graphviz: Ensure the graphviz filenames are reproducible
* doctest: skipif option may remove the code block from documentation
* :name: option for math directive causes a crash
* intersphinx: ValueError on failure reporting
* changes: Fix UnboundLocalError when any module found