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fix: avoid mutating caller-owned dicts in SpendUpdateQueue aggregation #21742

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Merged
krrishdholakia merged 1 commit into from
Feb 22, 2026
Merged

fix: avoid mutating caller-owned dicts in SpendUpdateQueue aggregation #21742

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3 changes: 2 additions & 1 deletion litellm/proxy/db/db_transaction_queue/spend_update_queue.py
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,8 @@ def _get_aggregated_spend_update_queue_item(
for update in updates:
_key = f"{update.get('entity_type')}:{update.get('entity_id')}"
if _key not in _in_memory_map:
_in_memory_map[_key] = update
# avoid mutating caller-owned dicts while aggregating queue entries
_in_memory_map[_key] = update.copy()
else:
current_cost = _in_memory_map[_key].get("response_cost", 0) or 0
update_cost = update.get("response_cost", 0) or 0
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