[libvirt] [sandbox][PATCH] Fix nits in virt-sandbox-service when raise ValueError

[Wayne Sun]

Put error msg in list when raise ValueError.

This fix is for bug:
[virt-sandbox-service] execute command with unsupported URI error msg is not right
https://bugzilla.redhat.com/show_bug.cgi?id=967705

Signed-off-by: Wayne Sun <gsun at redhat.com>
---
 bin/virt-sandbox-service |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/virt-sandbox-service b/bin/virt-sandbox-service
index 4496b29..1db3c09 100755
--- a/bin/virt-sandbox-service
+++ b/bin/virt-sandbox-service
@@ -878,7 +878,7 @@ def sandbox_list(args):
 def sandbox_reload(args):
     config = read_config(args.name)
     if isinstance(config, gi.repository.LibvirtSandbox.ConfigServiceGeneric):
-        raise ValueError(_("Generic Containers do not support reload"))
+        raise ValueError([_("Generic Containers do not support reload")])
     container = SystemdContainer(uri = args.uri, config = config)
     container.reload(args.unitfiles)
 
@@ -931,7 +931,7 @@ def fullpath(cmd):
 
 def execute(args):
     if args.uri != "lxc:///":
-        raise ValueError(_("Can only execute commands inside of linux containers."))
+        raise ValueError([_("Can only execute commands inside of linux containers.")])
 
     myexec = [ "virsh", "-c", args.uri, "lxc-enter-namespace" ]
 #    myexec = [ "virt-sandbox-service-util", "execute" ]
-- 
1.7.1