On another machine (on which I did not updated sage since a long time), I get trouble with documentation:
[dochtml] OSError: /home/slabbe/GitBox/sage/local/lib/python2.7/site-packages/sage/graphs/generic_graph.py:docstring of sage.graphs.generic_graph.GenericGraph.longest_path:72: WARNING: Exception occurred in plotting generic_graph-1 which reappears even after make doc-clean. The context is: ... [dochtml] [graphs ] dumping object inventory... fait [dochtml] [graphs ] build réussi, 108 warnings. [dochtml] [graphs ] The inventory files are in local/share/doc/sage/inventory/en/reference/graphs. [dochtml] Error building the documentation. [dochtml] Traceback (most recent call last): [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/runpy.py", line 174, in _run_module_as_main [dochtml] "__main__", fname, loader, pkg_name) [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/runpy.py", line 72, in _run_code [dochtml] exec code in run_globals [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__main__.py", line 2, in <module> [dochtml] main() [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__init__.py", line 1730, in main [dochtml] builder() [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__init__.py", line 351, in _wrapper [dochtml] getattr(get_builder(document), 'inventory')(*args, **kwds) [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__init__.py", line 547, in _wrapper [dochtml] build_many(build_ref_doc, L) [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__init__.py", line 288, in build_many [dochtml] ret = x.get(99999) [dochtml] File "/home/slabbe/GitBox/sage/local/lib/python2.7/multiprocessing/pool.py", line 572, in get [dochtml] raise self._value [dochtml] OSError: /home/slabbe/GitBox/sage/local/lib/python2.7/site-packages/sage/graphs/generic_graph.py:docstring of sage.graphs.generic_graph.GenericGraph.longest_path:72: WARNING: Exception occurred in plotting generic_graph-1 Makefile:2048 : la recette pour la cible « doc-html » a échouée make[3]: *** [doc-html] Erreur 1 make[3] : on quitte le répertoire « /home/slabbe/GitBox/sage/build/make » Makefile:1860 : la recette pour la cible « all-start » a échouée make[2]: *** [all-start] Erreur 2 make[2] : on quitte le répertoire « /home/slabbe/GitBox/sage/build/make » real 1m11.623s user 8m39.525s sys 0m10.684s *************************************************************** Error building Sage. The following package(s) may have failed to build (not necessarily during this run of 'make all-start'): -- You received this message because you are subscribed to the Google Groups "sage-release" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-release+unsubscr...@googlegroups.com. To post to this group, send email to sage-release@googlegroups.com. Visit this group at https://groups.google.com/group/sage-release. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-release/1f5020da-aa2e-48b9-9da4-31d15f5a76e0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.