Here is the output: $ apt list --installed | grep sagemath
sagemath-common/bionic,bionic,now 8.1-7ubuntu1 all [installed] $ ls -l /usr/lib/python2.7/dist-packages/sage/structure/ total 808 -rw-r--r-- 1 root root 641 Dec 7 2017 all.py -rw-r--r-- 1 root root 1114 Apr 15 21:51 all.pyc -rw-r--r-- 1 root root 986 Dec 7 2017 category_object.pxd -rw-r--r-- 1 root root 376 Dec 7 2017 coerce_actions.pxd -rw-r--r-- 1 root root 851 Dec 7 2017 coerce_dict.pxd -rw-r--r-- 1 root root 953 Dec 7 2017 coerce_exceptions.py -rw-r--r-- 1 root root 868 Apr 15 21:51 coerce_exceptions.pyc -rw-r--r-- 1 root root 463 Dec 7 2017 coerce_maps.pxd -rw-r--r-- 1 root root 1086 Dec 7 2017 coerce.pxd -rw-r--r-- 1 root root 154 Dec 7 2017 debug_options.pxd -rw-r--r-- 1 root root 19675 Dec 7 2017 dynamic_class.py -rw-r--r-- 1 root root 18719 Apr 15 21:51 dynamic_class.pyc -rw-r--r-- 1 root root 7836 Dec 7 2017 element.pxd -rw-r--r-- 1 root root 265 Dec 7 2017 element_wrapper.pxd -rw-r--r-- 1 root root 3780 Dec 7 2017 factorization_integer.py -rw-r--r-- 1 root root 4282 Apr 15 21:51 factorization_integer.pyc -rw-r--r-- 1 root root 39922 Dec 7 2017 factorization.py -rw-r--r-- 1 root root 41925 Apr 15 21:51 factorization.pyc -rw-r--r-- 1 root root 15267 Dec 7 2017 formal_sum.py -rw-r--r-- 1 root root 16707 Apr 15 21:51 formal_sum.pyc -rw-r--r-- 1 root root 2035 Dec 7 2017 gens_py.py -rw-r--r-- 1 root root 1795 Apr 15 21:51 gens_py.pyc -rw-r--r-- 1 root root 66908 Dec 7 2017 global_options.py -rw-r--r-- 1 root root 63304 Apr 15 21:51 global_options.pyc -rw-r--r-- 1 root root 7908 Dec 7 2017 graphics_file.py -rw-r--r-- 1 root root 9747 Apr 15 21:51 graphics_file.pyc -rw-r--r-- 1 root root 26183 Dec 7 2017 indexed_generators.py -rw-r--r-- 1 root root 24447 Apr 15 21:51 indexed_generators.pyc -rw-r--r-- 1 root root 0 Dec 7 2017 __init__.py -rw-r--r-- 1 root root 146 Apr 15 21:51 __init__.pyc -rw-r--r-- 1 root root 2043 Dec 7 2017 list_clone.pxd -rw-r--r-- 1 root root 6718 Dec 7 2017 list_clone_timings.py -rw-r--r-- 1 root root 7534 Apr 15 21:51 list_clone_timings.pyc -rw-r--r-- 1 root root 532 Dec 7 2017 mutability.pxd -rw-r--r-- 1 root root 646 Dec 7 2017 nonexact.py -rw-r--r-- 1 root root 1343 Apr 15 21:51 nonexact.pyc -rw-r--r-- 1 root root 538 Dec 7 2017 parent_base.pxd -rw-r--r-- 1 root root 743 Dec 7 2017 parent_gens.pxd -rw-r--r-- 1 root root 1314 Dec 7 2017 parent_old.pxd -rw-r--r-- 1 root root 4142 Dec 7 2017 parent.pxd drwxr-xr-x 2 root root 4096 Apr 15 21:51 proof -rw-r--r-- 1 root root 4892 Dec 7 2017 richcmp.pxd -rw-r--r-- 1 root root 32 Dec 7 2017 sage_object.pxd -rw-r--r-- 1 root root 26596 Dec 7 2017 sequence.py -rw-r--r-- 1 root root 27439 Apr 15 21:51 sequence.pyc -rw-r--r-- 1 root root 17209 Dec 7 2017 set_factories_example.py -rw-r--r-- 1 root root 20559 Apr 15 21:51 set_factories_example.pyc -rw-r--r-- 1 root root 41168 Dec 7 2017 set_factories.py -rw-r--r-- 1 root root 43362 Apr 15 21:51 set_factories.pyc -rw-r--r-- 1 root root 1751 Dec 7 2017 test_factory.py -rw-r--r-- 1 root root 1871 Apr 15 21:51 test_factory.pyc -rw-r--r-- 1 root root 50516 Dec 7 2017 unique_representation.py -rw-r--r-- 1 root root 51060 Apr 15 21:51 unique_representation.pyc On Sun, Apr 28, 2019 at 4:46 PM Vincent Delecroix <20100.delecr...@gmail.com> wrote: > I do not see anything obvious in the crash report that explains the > problem. For each thing below could you copy paste the full output > of what appears in the console. > > 1. The list of sagemath packages installed > > $ apt list --installed | grep sagemath > > 2. Files in /usr/lib/python2.7/dist-packages/sage/structure via > > $ ls -l /usr/lib/python2.7/dist-packages/sage/structure/ > > Le 28/04/2019 à 21:05, Erik Wallace a écrit : > > Yes, I downloaded via apt. The supporting python packages were also > > downloaded via apt. > > > > On Sat, Apr 27, 2019 at 5:08 PM Vincent Delecroix < > 20100.delecr...@gmail.com> > > wrote: > > > >> Hello, > >> > >> What did you downloaded exactly? You meant that you installed > >> Sage from via the package manager (apt)? > >> > >> Best > >> Vincent > >> > >> Le 23/04/2019 à 03:22, Erik Wallace a écrit : > >>> Hello, > >>> I am submitting this crash report. I downloaded sage from the > Ubuntu > >>> repo. Please let me know, how I can fix this. Thanks. > >>> Sincerely, > >>> > >>> Erik > >>> > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups > >> "sage-support" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an > >> email to sage-support+unsubscr...@googlegroups.com. > >> To post to this group, send email to sage-support@googlegroups.com. > >> Visit this group at https://groups.google.com/group/sage-support. > >> For more options, visit https://groups.google.com/d/optout. > >> > > > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To post to this group, send email to sage-support@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-support. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.