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chore: simplify fallback kwargs copy comment

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Co-authored-by: Cursor <cursoragent@cursor.com>
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Milan 2026-05-08 15:15:55 +03:00
parent 219a42f745
commit b75b090a34
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1 changed files with 2 additions and 6 deletions
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8
litellm/router_utils/fallback_event_handlers.py
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@ -124,12 +124,8 @@ async def run_async_fallback(
if mg == original_model_group:
continue
try:
# Deep copy kwargs so each fallback attempt starts from the
# original, unmodified parameters. Without this, provider-
# specific handlers (e.g. Bedrock's converse_handler) can
# mutate kwargs via .pop() calls, leaving subsequent fallback
# providers with missing keys (e.g. `tool_choice` present but
# `tools` removed). See https://github.com/BerriAI/litellm/issues/24764
# Keep each fallback attempt isolated from mutations made while
# preparing or sending a previous attempt.
fallback_kwargs = safe_deep_copy(kwargs)
# LOGGING