[schedy] Fixed possible TypeError with the generic2 actor type

Fixes #47

Author: Robert Schindler

docs/apps/schedy/CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## Unreleased
 
 ### Fixed
+* Fixed possible `TypeError` when using the `generic2` actor type. (#47)
 
 ### Security
 

hass_apps/schedy/actor/generic2.py

@@ -86,7 +86,7 @@ def _find_value_cfg(self, value: T.Tuple) -> T.Any:
     def _populate_service_data(self, data: T.Dict, fmt: T.Dict[str, T.Any]) -> None:
         """Fills in placeholders in the service data definition."""
         # pylint: disable=too-many-nested-blocks
-        memo = {data}  # type: T.Set[T.Union[T.Dict, T.List]]
+        memo = [data]  # type: T.List[T.Union[T.Dict, T.List]]
         while memo:
             obj = memo.pop()
             if isinstance(obj, dict):
@@ -123,7 +123,7 @@ def _populate_service_data(self, data: T.Dict, fmt: T.Dict[str, T.Any]) -> None:
                             level="ERROR",
                         )
                 elif isinstance(value, (dict, list)):
-                    memo.add(value)
+                    memo.append(value)
 
     def do_send(self) -> None:
         """Executes the configured services for self._wanted_value."""