T7866: Fix not all CPUs have model name key

Not all platrorms have the `Model` key in the output of the
/proc/cpuinfo

Use `unknown` if we cannot detect it

1 files changed, 1 insertions, 1 deletions

diff --git a/src/op_mode/cpu.py b/src/op_mode/cpu.py
index a8db16dfc..07cb90187 100755
--- a/src/op_mode/cpu.py
+++ b/src/op_mode/cpu.py
@@ -47,7 +47,7 @@ def _format_cpus(cpu_data):
 def _get_summary_data():
     count = get_core_count()
     cpu_data = get_cpus()
-    models = [c['model name'] for c in cpu_data]
+    models = [c.get('model name', 'unknown') for c in cpu_data]
     env = {'count': count, "models": models}
 
     return env