diff --git a/tinytuya/scanner.py b/tinytuya/scanner.py
index 1102ab3..de845ff 100644
--- a/tinytuya/scanner.py
+++ b/tinytuya/scanner.py
@@ -1079,6 +1079,7 @@ def tuyaLookup(deviceid):
             )
 
     #debug_ips = ['172.20.10.144', '172.20.10.91', '172.20.10.51', '172.20.10.136']
+    scan_ips = None
     debug_ips = []
     networks = []
     scanned_devices = {}