Explicit check for None in Discovergy entity if condition (#105248)

Fix checking for None in Discovergy

homeassistant/components/discovergy/sensor.py

@@ -183,6 +183,7 @@ async def async_setup_entry(
             for description in sensors
             for value_key in {description.key, *description.alternative_keys}
             if description.value_fn(coordinator.data, value_key, description.scale)
+            is not None
         )
 
     async_add_entities(entities)

tests/components/discovergy/const.py

@@ -67,7 +67,7 @@ LAST_READING = Reading(
         "energyOut": 55048723044000.0,
         "energyOut1": 0.0,
         "energyOut2": 0.0,
-        "power": 531750.0,
+        "power": 0.0,
         "power1": 142680.0,
         "power2": 138010.0,
         "power3": 251060.0,

tests/components/discovergy/snapshots/test_diagnostics.ambr

@@ -61,7 +61,7 @@
           'energyOut': 55048723044000.0,
           'energyOut1': 0.0,
           'energyOut2': 0.0,
-          'power': 531750.0,
+          'power': 0.0,
           'power1': 142680.0,
           'power2': 138010.0,
           'power3': 251060.0,

tests/components/discovergy/snapshots/test_sensor.ambr

@@ -132,7 +132,7 @@
     'entity_id': 'sensor.electricity_teststrasse_1_total_power',
     'last_changed': <ANY>,
     'last_updated': <ANY>,
-    'state': '531.75',
+    'state': '0.0',
   })
 # ---
 # name: test_sensor[gas last transmitted]