[PATCH for-11.0 14/15] tests/functional/aarch64/test_rme_sbsaref: Silence issues reported by pylint

[Thomas Huth <thuth@redhat.com>]

From: Thomas Huth <thuth@redhat.com>

Drop unused import and use an encoding for open().

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 tests/functional/aarch64/test_rme_sbsaref.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tests/functional/aarch64/test_rme_sbsaref.py b/tests/functional/aarch64/test_rme_sbsaref.py
index 6f92858397a..4845c824960 100755
--- a/tests/functional/aarch64/test_rme_sbsaref.py
+++ b/tests/functional/aarch64/test_rme_sbsaref.py
@@ -14,7 +14,6 @@
 import shutil
 
 from qemu_test import QemuSystemTest, Asset, wait_for_console_pattern
-from qemu_test import exec_command_and_wait_for_pattern
 
 
 class Aarch64RMESbsaRefMachine(QemuSystemTest):
@@ -48,7 +47,7 @@ def test_aarch64_rme_sbsaref(self):
         efi = join(rme_stack, 'out', 'EFI')
         os.makedirs(efi, exist_ok=True)
         shutil.copyfile(join(rme_stack, 'out', 'Image'), join(efi, 'Image'))
-        with open(join(efi, 'startup.nsh'), 'w') as startup:
+        with open(join(efi, 'startup.nsh'), 'w', encoding='ascii') as startup:
             startup.write('fs0:Image nokaslr root=/dev/vda rw init=/init --'
                           ' /host/out/lkvm run --realm'
                           ' -m 256m'
-- 
2.51.1