Use core constants for group component (#46239)

homeassistant/components/group/__init__.py

@@ -13,6 +13,7 @@ from homeassistant.const import (
     ATTR_ENTITY_ID,
     ATTR_ICON,
     ATTR_NAME,
+    CONF_ENTITIES,
     CONF_ICON,
     CONF_NAME,
     ENTITY_MATCH_ALL,
@@ -41,7 +42,6 @@ GROUP_ORDER = "group_order"
 
 ENTITY_ID_FORMAT = DOMAIN + ".{}"
 
-CONF_ENTITIES = "entities"
 CONF_ALL = "all"
 
 ATTR_ADD_ENTITIES = "add_entities"
@@ -345,7 +345,6 @@ async def async_setup(hass, config):
 
 async def _process_group_platform(hass, domain, platform):
     """Process a group platform."""
-
     current_domain.set(domain)
     platform.async_describe_on_off_states(hass, hass.data[REG_KEY])
 

homeassistant/components/group/reproduce_state.py

@@ -16,7 +16,6 @@ async def async_reproduce_states(
     reproduce_options: Optional[Dict[str, Any]] = None,
 ) -> None:
     """Reproduce component states."""
-
     states_copy = []
     for state in states:
         members = get_entity_ids(hass, state.entity_id)