No nothing helps ... it doesn't work better. I think that you should not switch to sagemath9 if it is practically impossible to use matplotlib !!
Le mardi 28 janvier 2020 13:07:08 UTC+1, E. Madison Bray a écrit : > > On Saturday, January 25, 2020 at 5:03:54 PM UTC+1, Jean-François > Ingenbleek wrote: >> >> alas, it does not work at all ... I am a little lost in the multiple >> directories of sagemath (windows 8.1). >> >> You must warn against using sagemath 9.0 yet !! >> > > Hello; with respect, I cannot reproduce this problem, and it's not > universal, so I don't think such a warning is warranted. > > I don't know exactly how the matplotlib font cache works, but it's likely > it involves Python pickles somehow, and is broken due to trying to load > some Python 2 pickles on Python 3. Although that *shouldn't* be such a > problem, I think I have seen cases (e.g. due to a bug in the pickle > interpreter?) where this can hang, though I can't seem to quickly find a > reference to a specific issue. > > Try running `rm -rf ~/.sage/matplotlib*` in the SageMath Shell and it > should be alright. > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/a23e70c8-c66f-41d3-9ffc-38e5a7bf3d8a%40googlegroups.com.
