https://trac.sagemath.org/ticket/27575 addresses this by fixing an apparently already existing "fallback to the online CDN" and claiming that this discussion here becomes moot.
But I think what the discussion here tried to address is that it is bad for a local install of Sage to silently fetch stuff from Internet, which is going to be the result of that fix in some circumstances. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.