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fix(anthropic): ignore null values of caller on tool_use blocks (#34286)

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This commit is contained in:
ccurme
2025-12-10 13:13:02 -05:00
committed by GitHub
parent 41cebfe4fb
commit 69dd39c461
1 changed files with 16 additions and 16 deletions
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32
libs/partners/anthropic/langchain_anthropic/chat_models.py
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@@ -439,7 +439,7 @@ def _format_messages(
if (
isinstance(message, AIMessage)
and (block["id"] in [tc["id"] for tc in message.tool_calls])
and "caller" not in block # take caller from content
and not block.get("caller")
):
overlapping = [
tc
@@ -467,8 +467,8 @@ def _format_messages(
input=args,
id=block["id"],
)
if "caller" in block:
tool_use_block["caller"] = block["caller"]
if caller := block.get("caller"):
tool_use_block["caller"] = caller
content.append(tool_use_block)
elif block["type"] in ("server_tool_use", "mcp_tool_use"):
formatted_block = {
@@ -2349,19 +2349,17 @@ class ChatAnthropic(BaseChatModel):
# Remove citations if they are None - introduced in anthropic sdk 0.45
for block in content:
if (
isinstance(block, dict)
and "citations" in block
and block["citations"] is None
):
block.pop("citations")
if (
isinstance(block, dict)
and block.get("type") == "thinking"
and "text" in block
and block["text"] is None
):
block.pop("text")
if isinstance(block, dict):
if "citations" in block and block["citations"] is None:
block.pop("citations")
if "caller" in block and block["caller"] is None:
block.pop("caller")
if (
block.get("type") == "thinking"
and "text" in block
and block["text"] is None
):
block.pop("text")
llm_output = {
k: v for k, v in data_dict.items() if k not in ("content", "role", "type")
@@ -3278,6 +3276,8 @@ def _make_message_chunk_from_anthropic_event(
warnings.warn("Received unexpected tool content block.", stacklevel=2)
content_block = event.content_block.model_dump()
if "caller" in content_block and content_block["caller"] is None:
content_block.pop("caller")
content_block["index"] = event.index
if event.content_block.type == "tool_use":
if (