Enable strict typing for openai_conversation (#127854)

.strict-typing

@@ -345,6 +345,7 @@ homeassistant.components.oncue.*
 homeassistant.components.onewire.*
 homeassistant.components.onkyo.*
 homeassistant.components.open_meteo.*
+homeassistant.components.openai_conversation.*
 homeassistant.components.openexchangerates.*
 homeassistant.components.opensky.*
 homeassistant.components.openuv.*

homeassistant/components/openai_conversation/config_flow.py

@@ -26,6 +26,7 @@ from homeassistant.helpers.selector import (
     SelectSelectorConfig,
     TemplateSelector,
 )
+from homeassistant.helpers.typing import VolDictType
 
 from .const import (
     CONF_CHAT_MODEL,
@@ -79,7 +80,7 @@ class OpenAIConfigFlow(ConfigFlow, domain=DOMAIN):
                 step_id="user", data_schema=STEP_USER_DATA_SCHEMA
             )
 
-        errors = {}
+        errors: dict[str, str] = {}
 
         try:
             await validate_input(self.hass, user_input)
@@ -150,7 +151,7 @@ class OpenAIOptionsFlow(OptionsFlow):
 def openai_config_option_schema(
     hass: HomeAssistant,
     options: dict[str, Any] | MappingProxyType[str, Any],
-) -> dict:
+) -> VolDictType:
     """Return a schema for OpenAI completion options."""
     hass_apis: list[SelectOptionDict] = [
         SelectOptionDict(
@@ -166,7 +167,7 @@ def openai_config_option_schema(
         for api in llm.async_get_apis(hass)
     )
 
-    schema = {
+    schema: VolDictType = {
         vol.Optional(
             CONF_PROMPT,
             description={

mypy.ini

@@ -3205,6 +3205,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.openai_conversation.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.openexchangerates.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true