fixup: fix_#87 Python code reformatted using Black

Author: autoblack

plugwise/helper.py

@@ -485,7 +485,11 @@ def all_appliances(self):
                 "types": appl.types,
                 "vendor": appl.v_name,
             }
-            if not self._smile_legacy and appl.pwclass == "thermostat" and appl.location == None:
+            if (
+                not self._smile_legacy
+                and appl.pwclass == "thermostat"
+                and appl.location == None
+            ):
                 self.appl_data.pop(appl.id)
 
         # For legacy Anna gateway and heater_central is the same device