updated zabbix state

states/zabbix/scripts/apt.py

@@ -56,8 +56,13 @@ def isSecurityUpgrade(pkg, depcache):
     return False
 
 def main():
+    ret = -1
+    try:
         pkgs = get_updates()
-    sys.exit(str(len(pkgs)))
+        ret = len(pkgs)
+    except Exception as e:
+        print(f"{e}", file=sys.stderr)
+    print(ret)
 
 if __name__ == "__main__":
     main()