Thread 16 (Thread 0x7fffcf3fc6c0 (LWP 5518) "python"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff47bebcc in  () at /usr/lib/libtbb.so.12
#2  0x00007ffff47d2394 in  () at /usr/lib/libtbb.so.12
#3  0x00007ffff789ebb5 in start_thread (arg=<optimized out>) at pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737346398448, -6957913423970310960, -120, 0, 140736774380512, 140736666255360, 6957807318982714576, 6957895985657013456}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#4  0x00007ffff7920d90 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 15 (Thread 0x7fffcf7fd6c0 (LWP 5517) "python"):
Quit