anthropic[patch]: model type string (#18510)

Author: Erick Friis

libs/partners/anthropic/langchain_anthropic/chat_models.py

@@ -177,7 +177,7 @@ class Config:
     @property
     def _llm_type(self) -> str:
         """Return type of chat model."""
-        return "chat-anthropic-messages"
+        return "anthropic-chat"
 
     @root_validator(pre=True)
     def build_extra(cls, values: Dict) -> Dict: