added TYPE_CHECKING to middleware.py

python/api/middleware.py

@@ -1,10 +1,14 @@
 """Middleware for the FastAPI application."""
 
 from compression import zstd
+from typing import TYPE_CHECKING
+
 from starlette.middleware.base import BaseHTTPMiddleware, RequestResponseEndpoint
-from starlette.requests import Request
 from starlette.responses import Response
 
+if TYPE_CHECKING:
+    from starlette.requests import Request
+
 MINIMUM_RESPONSE_SIZE = 500