fix: ruff formatting and imports

Author: Ashutosh0x

tests/issues/test_883_middleware.py

@@ -1,10 +1,10 @@
 import pytest
+from httpx import ASGITransport, AsyncClient
 from starlette.applications import Starlette
 from starlette.middleware import Middleware
 from starlette.middleware.base import BaseHTTPMiddleware, RequestResponseEndpoint
 from starlette.requests import Request
 from starlette.responses import Response
-from httpx import AsyncClient, ASGITransport
 
 from mcp.server.mcpserver import MCPServer
 from mcp.server.transport_security import TransportSecuritySettings