Rework legacy - 2

Author: bouwew

plugwise/legacy/helper.py

@@ -122,6 +122,7 @@ def _get_appliances(self) -> None:
             appl.firmware = None
             appl.hardware = None
             appl.mac = None
+            appl.module_id = None
             appl.zigbee_mac = None
             appl.vendor_name = None
 
@@ -241,6 +242,7 @@ def _p1_smartmeter_info_finder(self, appl: Munch) -> None:
         appl.mac = None
         appl.model = self.smile.model
         appl.model_id = None
+        appl.module_id = None
         appl.name = "P1"
         appl.pwclass = "smartmeter"
         appl.zigbee_mac = None