diff --git a/custom_components/adaptive_lighting/__init__.py b/custom_components/adaptive_lighting/__init__.py
index 13c2d7d1..0c8bad80 100644
--- a/custom_components/adaptive_lighting/__init__.py
+++ b/custom_components/adaptive_lighting/__init__.py
@@ -70,12 +70,12 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry):
     return True
 
 
-async def async_update_options(hass, config_entry: ConfigEntry):
+async def async_update_options(hass: HomeAssistant, config_entry: ConfigEntry):
     """Update options."""
     await hass.config_entries.async_reload(config_entry.entry_id)
 
 
-async def async_unload_entry(hass, config_entry: ConfigEntry) -> bool:
+async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
     """Unload a config entry."""
     unload_ok = await hass.config_entries.async_forward_entry_unload(
         config_entry,
diff --git a/custom_components/adaptive_lighting/_docs_helpers.py b/custom_components/adaptive_lighting/_docs_helpers.py
index 31225a6c..49899395 100644
--- a/custom_components/adaptive_lighting/_docs_helpers.py
+++ b/custom_components/adaptive_lighting/_docs_helpers.py
@@ -57,8 +57,6 @@ def _type_to_str(type_: Any) -> str:  # noqa: PLR0911
 
 
 def generate_config_markdown_table():
-    import pandas as pd
-
     rows = []
     for k, default, type_ in VALIDATION_TUPLES:
         description = DOCS[k]
@@ -84,12 +82,11 @@ def _schema_to_dict(schema: vol.Schema) -> dict[str, tuple[Any, Any]]:
 
 
 def _generate_service_markdown_table(
-    schema: dict[str, tuple[Any, Any]],
+    schema: vol.Schema,
     alternative_docs: dict[str, str] | None = None,
 ):
-    schema = _schema_to_dict(schema)
     rows = []
-    for k, (default, type_) in schema.items():
+    for k, (default, type_) in _schema_to_dict(schema).items():
         if alternative_docs is not None and k in alternative_docs:
             description = alternative_docs[k]
         else:
diff --git a/custom_components/adaptive_lighting/adaptation_utils.py b/custom_components/adaptive_lighting/adaptation_utils.py
index aea061d1..2c339223 100644
--- a/custom_components/adaptive_lighting/adaptation_utils.py
+++ b/custom_components/adaptive_lighting/adaptation_utils.py
@@ -54,7 +54,7 @@ def _split_service_call_data(service_data: ServiceData) -> list[ServiceData]:
     common_data = {k: service_data[k] for k in common_attrs if k in service_data}
 
     attributes_split_sequence = [BRIGHTNESS_ATTRS, COLOR_ATTRS]
-    service_datas = []
+    service_datas: list[dict[str, Any]] = []
 
     for attributes in attributes_split_sequence:
         split_data = {
@@ -106,7 +106,7 @@ async def _create_service_call_data_iterator(
     hass: HomeAssistant,
     service_datas: list[ServiceData],
     filter_by_state: bool,
-) -> AsyncGenerator[ServiceData, None]:
+) -> AsyncGenerator[ServiceData]:
     """Enumerates and filters a list of service datas on the fly.
 
     If filtering is enabled, every service data is filtered by the current state of
@@ -141,7 +141,7 @@ class AdaptationData:
     entity_id: str
     context: Context
     sleep_time: float
-    service_call_datas: AsyncGenerator[ServiceData, None]
+    service_call_datas: AsyncGenerator[ServiceData]
     force: bool
     max_length: int
     which: Literal["brightness", "color", "both"]
diff --git a/custom_components/adaptive_lighting/color_and_brightness.py b/custom_components/adaptive_lighting/color_and_brightness.py
index 6fdb7083..2fd93e67 100644
--- a/custom_components/adaptive_lighting/color_and_brightness.py
+++ b/custom_components/adaptive_lighting/color_and_brightness.py
@@ -8,8 +8,8 @@ import datetime
 import logging
 import math
 from dataclasses import dataclass
-from datetime import timedelta
-from functools import cached_property, partial
+from datetime import UTC, timedelta
+from functools import partial
 from typing import TYPE_CHECKING, Any, Literal, cast
 
 from homeassistant.util.color import (
@@ -17,9 +17,10 @@ from homeassistant.util.color import (
     color_temperature_to_rgb,
     color_xy_to_hs,
 )
+from propcache.api import cached_property
 
 if TYPE_CHECKING:
-    import astral
+    import astral.location
 
 # Same as homeassistant.const.SUN_EVENT_SUNRISE and homeassistant.const.SUN_EVENT_SUNSET
 # We re-define them here to not depend on homeassistant in this file.
@@ -32,7 +33,6 @@ SUN_EVENT_MIDNIGHT = "solar_midnight"
 _ORDER = (SUN_EVENT_SUNRISE, SUN_EVENT_NOON, SUN_EVENT_SUNSET, SUN_EVENT_MIDNIGHT)
 _ALLOWED_ORDERS = {_ORDER[i:] + _ORDER[:i] for i in range(len(_ORDER))}
 
-UTC = datetime.timezone.utc
 utcnow: partial[datetime.datetime] = partial(datetime.datetime.now, UTC)
 utcnow.__doc__ = "Get now in UTC time."
 
@@ -44,7 +44,7 @@ class SunEvents:
     """Track the state of the sun and associated light settings."""
 
     name: str
-    astral_location: astral.Location
+    astral_location: astral.location.Location
     sunrise_time: datetime.time | None
     min_sunrise_time: datetime.time | None
     max_sunrise_time: datetime.time | None
@@ -198,7 +198,7 @@ class SunLightSettings:
     """Track the state of the sun and associated light settings."""
 
     name: str
-    astral_location: astral.Location
+    astral_location: astral.location.Location
     adapt_until_sleep: bool
     max_brightness: int
     max_color_temp: int
@@ -296,7 +296,7 @@ class SunLightSettings:
             )
         return clamp(brightness, self.min_brightness, self.max_brightness)
 
-    def brightness_pct(self, dt: datetime.datetime, is_sleep: bool) -> float:
+    def brightness_pct(self, dt: datetime.datetime, is_sleep: bool) -> float | None:
         """Calculate the brightness in %."""
         if is_sleep:
             return self.sleep_brightness
@@ -331,7 +331,7 @@ class SunLightSettings:
     ) -> dict[str, Any]:
         """Calculate the brightness and color."""
         sun_position = self.sun.sun_position(dt)
-        rgb_color: tuple[float, float, float]
+        rgb_color: tuple[int, int, int]
         # Variable `force_rgb_color` is needed for RGB color after sunset (if enabled)
         force_rgb_color = False
         brightness_pct = self.brightness_pct(dt, is_sleep)
diff --git a/custom_components/adaptive_lighting/config_flow.py b/custom_components/adaptive_lighting/config_flow.py
index 3922d000..00214fdb 100644
--- a/custom_components/adaptive_lighting/config_flow.py
+++ b/custom_components/adaptive_lighting/config_flow.py
@@ -1,6 +1,7 @@
 """Config flow for Adaptive Lighting integration."""
 
 import logging
+from typing import Any
 
 import homeassistant.helpers.config_validation as cv
 import voluptuous as vol
@@ -40,7 +41,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             errors=errors,
         )
 
-    async def async_step_import(self, user_input=None):
+    async def async_step_import(self, user_input: dict[str, Any]):
         """Handle configuration by YAML file."""
         await self.async_set_unique_id(user_input[CONF_NAME])
         # Keep a list of switches that are configured via YAML