fix: resolve type checking errors in vertex_ai and mcp_server_manager

- Fix type incompatibility in vertex_ai/videos/transformation.py by casting litellm_params to Dict[str, Any]
- Add await to async add_update_server call in mcp_server_manager.py
- Resolves 4 type checking errors across 2 files

litellm/llms/vertex_ai/videos/transformation.py

@@ -7,7 +7,7 @@ Based on: https://docs.cloud.google.com/vertex-ai/generative-ai/docs/model-refer
 
 import base64
 import time
-from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple, Union
+from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple, Union, cast
 
 import httpx
 from httpx._types import RequestFiles
@@ -174,10 +174,11 @@ class VertexAIVideoConfig(BaseVideoConfig, VertexBase):
         """
         # Extract Vertex AI parameters using safe helpers from VertexBase
         # Use safe_get_* methods that don't mutate litellm_params dict
-        litellm_params = litellm_params or {}
+        # Ensure litellm_params is a dict for type checking
+        params_dict: Dict[str, Any] = cast(Dict[str, Any], litellm_params) if litellm_params is not None else {}
         
-        vertex_project = VertexBase.safe_get_vertex_ai_project(litellm_params=litellm_params)
-        vertex_credentials = VertexBase.safe_get_vertex_ai_credentials(litellm_params=litellm_params)
+        vertex_project = VertexBase.safe_get_vertex_ai_project(litellm_params=params_dict)
+        vertex_credentials = VertexBase.safe_get_vertex_ai_credentials(litellm_params=params_dict)
         
         # Get access token from Vertex credentials
         access_token, project_id = self.get_access_token(

litellm/proxy/_experimental/mcp_server/mcp_server_manager.py

@@ -2270,7 +2270,7 @@ class MCPServerManager:
                 server.status = "unhealthy"
                 ## try adding server to registry to get error
                 try:
-                    self.add_update_server(server)
+                    await self.add_update_server(server)
                 except Exception as e:
                     server.health_check_error = str(e)
                 server.health_check_error = "Server is not in in memory registry yet. This could be a temporary sync issue."