added TYPE_CHECKING to contact main.py

python/api/main.py

@@ -1,9 +1,10 @@
 """FastAPI interface for Contact database."""
 
+from __future__ import annotations
+
 import logging
-from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
-from typing import Annotated
+from typing import TYPE_CHECKING, Annotated
 
 import typer
 import uvicorn
@@ -14,6 +15,9 @@ from python.api.routers import contact_router, views_router
 from python.common import configure_logger
 from python.orm.common import get_postgres_engine
 
+if TYPE_CHECKING:
+    from collections.abc import AsyncIterator
+
 logger = logging.getLogger(__name__)