Correct typing in edl21 and activate mypy. (#53188)

homeassistant/components/edl21/sensor.py

@@ -126,7 +126,7 @@ class EDL21:
 
     def __init__(self, hass, config, async_add_entities) -> None:
         """Initialize an EDL21 object."""
-        self._registered_obis = set()
+        self._registered_obis: set[()] = set()
         self._hass = hass
         self._async_add_entities = async_add_entities
         self._name = config[CONF_NAME]

mypy.ini

@@ -1150,9 +1150,6 @@ ignore_errors = true
 [mypy-homeassistant.components.doorbird.*]
 ignore_errors = true
 
-[mypy-homeassistant.components.edl21.*]
-ignore_errors = true
-
 [mypy-homeassistant.components.elkm1.*]
 ignore_errors = true
 

script/hassfest/mypy_config.py

@@ -38,7 +38,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.dhcp.*",
     "homeassistant.components.directv.*",
     "homeassistant.components.doorbird.*",
-    "homeassistant.components.edl21.*",
     "homeassistant.components.elkm1.*",
     "homeassistant.components.emonitor.*",
     "homeassistant.components.enphase_envoy.*",