log if nvme-cli is not installed

netbox_agent/lshw.py

@@ -88,6 +88,9 @@ class LSHW():
                 self.disks.append(d)
 
         elif "nvme" in obj["configuration"]["driver"]:
+            if not is_tool('nvme'):
+                logging.error('nvme-cli >= 1.0 does not seem to be installed')
+            else:
                 try:
                     nvme = json.loads(
                         subprocess.check_output(