Remove sma from mypy ignore list (#64510)

homeassistant/components/sma/sensor.py

@@ -1,6 +1,8 @@
 """SMA Solar Webconnect interface."""
 from __future__ import annotations
 
+from typing import TYPE_CHECKING
+
 import pysma
 
 from homeassistant.components.sensor import (
@@ -34,6 +36,9 @@ async def async_setup_entry(
     used_sensors = sma_data[PYSMA_SENSORS]
     device_info = sma_data[PYSMA_DEVICE_INFO]
 
+    if TYPE_CHECKING:
+        assert config_entry.unique_id
+
     entities = []
     for sensor in used_sensors:
         entities.append(