Now there is a one-line patch at https://trac.sagemath.org/ticket/26254
to fix the problem. I wish that cython experts check that out. I am concerned whether the patch has any unexpected side effect that I cannot foresee. -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/51e9724d-e1ca-4307-b882-cf3f1c60182e%40googlegroups.com.
