Hi maintainer(s), I can reproduce this bug in my amd64 box. but the backtrack seems not the same Program received signal SIGSEGV, Segmentation fault。 0x00007ffff5cd0240 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 -- ________________________ Yes, I use Debian GNU/L wolf python london(WPL) Do as you soul should do ! ________________________