[patch lnst] NetTestResultSerializer: check if desc is None

[Jiri Pirko]

From: Jiri Pirko <jiri(a)mellanox.com&gt;

Fixes: 23aca15b1 ("NetTestResultSerializer: include description of command in
summary")
Signed-off-by: Jiri Pirko <jiri(a)mellanox.com&gt;
---
 lnst/Controller/NetTestResultSerializer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lnst/Controller/NetTestResultSerializer.py
b/lnst/Controller/NetTestResultSerializer.py
index 54390ff..fbe4392 100644
--- a/lnst/Controller/NetTestResultSerializer.py
+++ b/lnst/Controller/NetTestResultSerializer.py
@@ -156,7 +156,7 @@ class NetTestResultSerializer:
 
         output_pairs.append((8*" " + m_id + cmd_res["res_header"],
res))
 
-        if "desc" in command:
+        if "desc" in command and command["desc"] != None:
             output_pairs.append((12*" " + "description: " +
command["desc"], ""))
 
         if "msg" in cmd_res and cmd_res["msg"] != "":
-- 
2.4.3