sshca_sign: python3 compat

3 jobs for sshca_sign_python3 in 4 minutes and 40 seconds (queued for 1 minute and 16 seconds)
Status Job ID Name Coverage
  Test
passed #10540
ai3
run_base_test

00:04:40

failed #10539
ai3
run_base_test

00:01:56

failed #10534
ai3
run_base_test

00:01:53