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Mason Daugherty 2025-07-28 18:22:17 -04:00
parent eb6f8f933a
commit 20a99c1682
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10
libs/core/langchain_core/utils/_merge.py
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@ -109,11 +109,11 @@ def merge_lists(left: Optional[list], *others: Optional[list]) -> Optional[list]
) )
merged[to_merge[0]] = merge_dicts(merged[to_merge[0]], new_e) merged[to_merge[0]] = merge_dicts(merged[to_merge[0]], new_e)
# Special handling for tool call chunks: if this chunk appears to be # Special handling for tool call chunks: if this chunk appears to be
# a continuation (has None name/id) and no matching index was found, # a continuation of a prior chunk (has None name/id) and no matching
# try to merge with the most recent tool call chunk that has a # index was found, try to merge with the most recent tool call chunk
# name/id. # that has a name/id.
# This fixes issues with models like Qwen3 that send inconsistent # Fixes issues with models that send inconsistent indices.
# indices. # See #31511 for more.
elif ( elif (
e.get("type") == "tool_call_chunk" e.get("type") == "tool_call_chunk"
and e.get("name") is None and e.get("name") is None