What version of Sage is this? It's not clear from the log. The log mentions iPython 4, whereas Sage has switched to iPython 5. It could be that the error comes from some stale content in ~/.sage/
As a 1st check, try to rename ~/.sage/ to something else, and see if it starts then. On Friday, April 7, 2017 at 2:24:17 AM UTC+1, Kevin Buzzard wrote: > > > -- 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.
