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(a)redhat.com>
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bin/virt-sandbox-service | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)