Upgraded the Relay module - it supports multiple relays now.

core/setting_types.py

@@ -91,7 +91,7 @@ class DictionarySettingType(SettingType):
 
     def set_value(self, value):
         if not value:
-            self._set_raw_value("")
+            self._set_raw_value("{}")
         elif isinstance(value, dict):
             self._set_raw_value(json.dumps(value))
         else:
@@ -102,7 +102,7 @@ class DictionarySettingType(SettingType):
         if value:
             return DictObject(json.loads(value))
         else:
-            return value
+            return {}
 
     def get_display_value(self):
         return f"<highlight>{self.get_value() or '&lt;empty&gt;'}</highlight>"