cr

2026-04-23 20:23:59 +00:00 · 2023-10-03 09:32:42 -07:00
parent 60b9db5bb7
commit 852473fcdf
1 changed files with 5 additions and 0 deletions
--- a/libs/langchain/langchain/chat_loaders/utils.py
+++ b/libs/langchain/langchain/chat_loaders/utils.py
@@ -34,6 +34,11 @@ def merge_chat_runs_in_session(
            and messages[-1].additional_kwargs["sender"]
            == message.additional_kwargs.get("sender")
        ):
+            if not isinstance(messages[-1].content, str):
+                raise ValueError(
+                    "Chat Loaders only support messages with content type string, "
+                    f"got {messages[-1].content}"
+                )
            messages[-1].content = (
                messages[-1].content + delimiter + message.content
            ).strip()