Fix and adjustments after merge

tests/compute/qemu/test_qemu_manager.py

@@ -19,6 +19,7 @@ import os
 import stat
 import pytest
 import platform
+import sys
 
 from gns3server.compute.qemu import Qemu
 from gns3server.compute.qemu.qemu_error import QemuError

tests/compute/qemu/test_qemu_vm.py

@@ -20,6 +20,7 @@ import pytest_asyncio
 import asyncio
 import os
 import stat
+import sys
 from tests.utils import asyncio_patch, AsyncioMagicMock