Move imports to top for websocket_api (#29556)

* Move imports to top for websocket_api

* Move back an import because of circular dependency, add annotations

homeassistant/components/websocket_api/http.py

@@ -4,28 +4,27 @@ from contextlib import suppress
 import logging
 from typing import Optional
 
-from aiohttp import web, WSMsgType
+from aiohttp import WSMsgType, web
 import async_timeout
 
+from homeassistant.components.http import HomeAssistantView
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP
 from homeassistant.core import callback
-from homeassistant.components.http import HomeAssistantView
 
+from .auth import AuthPhase, auth_required_message
 from .const import (
-    MAX_PENDING_MSG,
     CANCELLATION_ERRORS,
-    URL,
+    DATA_CONNECTIONS,
     ERR_UNKNOWN_ERROR,
+    JSON_DUMP,
+    MAX_PENDING_MSG,
     SIGNAL_WEBSOCKET_CONNECTED,
     SIGNAL_WEBSOCKET_DISCONNECTED,
-    DATA_CONNECTIONS,
-    JSON_DUMP,
+    URL,
 )
-from .auth import AuthPhase, auth_required_message
 from .error import Disconnect
 from .messages import error_message
 
-
 # mypy: allow-untyped-calls, allow-untyped-defs, no-check-untyped-defs