diff --git a/litellm/router_utils/fallback_event_handlers.py b/litellm/router_utils/fallback_event_handlers.py
index 8c33bf1481f..934065aba6e 100644
--- a/litellm/router_utils/fallback_event_handlers.py
+++ b/litellm/router_utils/fallback_event_handlers.py
@@ -412,7 +412,9 @@ async def run_async_fallback(
             # LOGGING
             kwargs = litellm_router.log_retry(kwargs=kwargs, e=original_exception)
             verbose_router_logger.info("Falling back to model_group = %s", mask_sensitive_structure(mg))
-            kwargs = {k: v for k, v in kwargs.items() if k != "_target_order"}  # rebind-ok: next hop must not inherit the previous order target
+            kwargs = {
+                k: v for k, v in kwargs.items() if k != "_target_order"
+            }  # rebind-ok: next hop must not inherit the previous order target
             if isinstance(mg, str):
                 kwargs["model"] = mg
             elif isinstance(mg, dict):