merge: create release 0.5.6-beta2 (#74)

Author: laszlojakab

custom_components/easycontrols/manifest.json

@@ -6,7 +6,7 @@
   "issue_tracker": "https://github.com/laszlojakab/homeassistant-easycontrols/issues",
   "dependencies": [],
   "config_flow": true,
-  "version": "0.5.6-beta",
+  "version": "0.5.6-beta2",
   "codeowners": ["@laszlojakab"],
   "requirements": ["eazyctrl==0.4"]
 }

custom_components/easycontrols/sensor.py

@@ -201,14 +201,17 @@ def _get_string(self, value: int) -> str:
         '''
         if value is None:
             return None
-        string = ''
+        string: str = ''
         if value != 0:
             for item in self._flags.items():
                 has_flag = (item[0] & value) == item[0]
                 if has_flag:
                     if string != '':
                         string += '\n'
                     string += item[1]
+        else:
+            string = '-'
+
         return string
 
     @property