cleanups

esphome/config_validation.py

@@ -354,8 +354,7 @@ def sub_device_id(value: str | None) -> core.ID:
     # Lazy import to avoid circular imports
     from esphome.core.config import Device
 
-    validator = use_id(Device)
-    return validator(value)
+    return use_id(Device)(value)
 
 
 def boolean(value):

esphome/dashboard/util/text.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 from esphome.helpers import slugify
 
 
-def friendly_name_slugify(value):
+def friendly_name_slugify(value: str) -> str:
     """Convert a friendly name to a slug with dashes instead of underscores."""
     # First use the standard slugify, then convert underscores to dashes
     return slugify(value).replace("_", "-")