Here we don't expect a failure. In case on failure we'll crash on
trying to access ['return']. Let's better use .command() that clearly
raise on failure.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
---
 scripts/cpu-x86-uarch-abi.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/scripts/cpu-x86-uarch-abi.py b/scripts/cpu-x86-uarch-abi.py
index 82ff07582f..893afd1b35 100644
--- a/scripts/cpu-x86-uarch-abi.py
+++ b/scripts/cpu-x86-uarch-abi.py
@@ -69,7 +69,7 @@
 shell = QEMUMonitorProtocol(sock)
 shell.connect()
 
-models = shell.cmd("query-cpu-definitions")
+models = shell.command("query-cpu-definitions")
 
 # These QMP props don't correspond to CPUID fatures
 # so ignore them
@@ -85,7 +85,7 @@
 
 names = []
 
-for model in models["return"]:
+for model in models:
     if "alias-of" in model:
         continue
     names.append(model["name"])
@@ -93,12 +93,12 @@
 models = {}
 
 for name in sorted(names):
-    cpu = shell.cmd("query-cpu-model-expansion",
-                     { "type": "static",
-                       "model": { "name": name }})
+    cpu = shell.command("query-cpu-model-expansion",
+                        { "type": "static",
+                          "model": { "name": name }})
 
     got = {}
-    for (feature, present) in cpu["return"]["model"]["props"].items():
+    for (feature, present) in cpu["model"]["props"].items():
         if present and feature not in skip:
             got[feature] = True
 
-- 
2.34.1