fix: remove unused imports in tool_management_endpoints and streaming_iterator

- Remove unused ToolOutputPolicy import
- Remove unused _WsClientConnection TYPE_CHECKING import

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

litellm/proxy/management_endpoints/tool_management_endpoints.py

@@ -26,7 +26,6 @@ from litellm.types.tool_management import (
     ToolDetailResponse,
     ToolInputPolicy,
     ToolListResponse,
-    ToolOutputPolicy,
     ToolPolicyOption,
     ToolPolicyOptionsResponse,
     ToolPolicyUpdateRequest,

litellm/responses/streaming_iterator.py

@@ -3,7 +3,7 @@ import json
 import time
 import traceback
 from datetime import datetime
-from typing import TYPE_CHECKING, Any, Dict, List, Optional
+from typing import Any, Dict, List, Optional
 
 import httpx
 
@@ -688,9 +688,6 @@ class MockResponsesAPIStreamingIterator(BaseResponsesAPIStreamingIterator):
 # WebSocket mode streaming (bidirectional forwarding)
 # ---------------------------------------------------------------------------
 
-if TYPE_CHECKING:
-    from websockets.asyncio.client import ClientConnection as _WsClientConnection
-
 from litellm._logging import verbose_logger
 from litellm.litellm_core_utils.thread_pool_executor import executor as _ws_executor