diff --git a/libs/core/langchain_core/language_models/v1/chat_models.py b/libs/core/langchain_core/language_models/v1/chat_models.py
index e34ab65bea4..abf7841d1b2 100644
--- a/libs/core/langchain_core/language_models/v1/chat_models.py
+++ b/libs/core/langchain_core/language_models/v1/chat_models.py
@@ -90,7 +90,7 @@ def _generate_response_from_error(error: BaseException) -> list[AIMessageV1]:
         if hasattr(response, "status_code"):
             metadata["status_code"] = response.status_code
         if hasattr(error, "request_id"):
-            metadata["request_id"] = error.request_id  # type: ignore[arg-type]
+            metadata["request_id"] = error.request_id
         # Permit response_metadata without model_name, model_provider fields
         generations = [AIMessageV1(content=[], response_metadata=metadata)]  # type: ignore[arg-type]
     else:
diff --git a/libs/core/langchain_core/messages/v1.py b/libs/core/langchain_core/messages/v1.py
index 0827688b9a1..a6382062b20 100644
--- a/libs/core/langchain_core/messages/v1.py
+++ b/libs/core/langchain_core/messages/v1.py
@@ -385,15 +385,12 @@ def _init_tool_calls(content: list[types.ContentBlock]) -> list[types.ContentBlo
             new_content.append(block)
             continue
         try:
-            args_ = (
-                parse_partial_json(cast("str", block.get("args") or ""))
-                if block.get("args")
-                else {}
-            )
+            args_str = block.get("args")
+            args_ = parse_partial_json(args_str) if args_str else {}
             if isinstance(args_, dict):
                 new_content.append(
                     create_tool_call(
-                        name=cast("str", block.get("name") or ""),
+                        name=cast("str", block.get("name")),
                         args=args_,
                         id=cast("str", block.get("id", "")),
                     )