This is an auto-filled bug because dev-python/ptyprocess fails tests. The issue was originally discovered on arm64, but it may be reproducible on other arches as well. If you think that a different summary clarifies the issue better, feel free to change it. Attached build log and emerge --info.
Created attachment 635070 [details] build.log build log and emerge --info
Do you have /dev/pty* there?
(In reply to Michał Górny from comment #2) > Do you have /dev/pty* there? no
Sorry, /dev/pts.
$ ls /dev/pts -la total 0 drwxr-xr-x 2 root root 0 Feb 8 12:34 . drwxr-xr-x 16 root root 2920 Apr 27 07:19 .. crw--w---- 1 1259470848 1259470853 136, 0 Apr 17 17:14 0 crw--w---- 1 1659305984 1659305989 136, 1 Mar 15 12:14 1 crw--w---- 1 root tty 136, 10 Apr 28 18:27 10 crw--w---- 1 root tty 136, 11 Apr 17 22:04 11 crw--w---- 1 root tty 136, 12 Apr 28 06:47 12 crw--w---- 1 root tty 136, 13 Apr 28 06:48 13 crw------- 1 root tty 136, 14 Apr 28 10:32 14 crw--w---- 1 root tty 136, 15 Apr 28 02:03 15 crw--w---- 1 root tty 136, 16 Apr 28 18:02 16 crw--w---- 1 root tty 136, 17 Apr 27 21:37 17 crw--w---- 1 portage portage 136, 18 Apr 28 18:26 18 crw--w---- 1 1001 tty 136, 19 Apr 28 18:27 19 crw--w---- 1 88932352 88932357 136, 2 Feb 8 12:34 2 crw--w---- 1 root tty 136, 3 Apr 28 18:26 3 crw--w---- 1 root tty 136, 4 Apr 28 18:25 4 crw------- 1 root tty 136, 5 Apr 28 18:02 5 crw--w---- 1 root tty 136, 6 Apr 8 10:03 6 crw------- 1 root tty 136, 7 Apr 28 18:26 7 crw--w---- 1 root tty 136, 9 Apr 11 18:26 9 c--------- 1 root root 5, 2 Apr 28 18:27 ptmx
Closing bugs that don't clearly indicate applicable version. Assuming a new one will be open if the issue persists.