diff --git a/litellm/proxy/hooks/parallel_request_limiter_v3.py b/litellm/proxy/hooks/parallel_request_limiter_v3.py
index 1933205f2cd..7331cbd5c34 100644
--- a/litellm/proxy/hooks/parallel_request_limiter_v3.py
+++ b/litellm/proxy/hooks/parallel_request_limiter_v3.py
@@ -1126,9 +1126,13 @@ class _PROXY_MaxParallelRequestsHandler_v3(CustomLogger):
                 nx=True,
                 parent_otel_span=parent_otel_span,
             )
-            current_window_value = legacy_window_value if inserted else await redis_cache.async_get_cache(
-                key=window_key,
-                parent_otel_span=parent_otel_span,
+            current_window_value = (
+                legacy_window_value
+                if inserted
+                else await redis_cache.async_get_cache(
+                    key=window_key,
+                    parent_otel_span=parent_otel_span,
+                )
             )
             if current_window_value is not None:
                 await self.internal_usage_cache.async_set_cache(
@@ -1212,9 +1216,7 @@ class _PROXY_MaxParallelRequestsHandler_v3(CustomLogger):
 
             # Only compute limit_remaining if current_limit is not None
             limit_remaining = (
-                current_limit - int(effective_counter_value)
-                if effective_counter_value is not None
-                else current_limit
+                current_limit - int(effective_counter_value) if effective_counter_value is not None else current_limit
             )
 
             statuses.append(
diff --git a/tests/test_litellm/proxy/hooks/test_parallel_request_limiter_v3.py b/tests/test_litellm/proxy/hooks/test_parallel_request_limiter_v3.py
index ad5707b6dd5..9955c6440f4 100644
--- a/tests/test_litellm/proxy/hooks/test_parallel_request_limiter_v3.py
+++ b/tests/test_litellm/proxy/hooks/test_parallel_request_limiter_v3.py
@@ -6359,10 +6359,10 @@ async def test_over_limit_mirror_does_not_reject_after_window_roll(monkeypatch,
         )
     assert exc_info.value.status_code == 429
 
-    # After the window boundary (t=59.75, while the stale mirror entry is
-    # still cached) the key must recover immediately instead of being
+    # After the window boundary (strictly past 60s, while the stale mirror
+    # entry is still cached) the key must recover immediately instead of being
     # rejected from the stale local mirror.
-    time_controller.advance(39.75)
+    time_controller.advance(40.25)
     await parallel_request_handler.async_pre_call_hook(
         user_api_key_dict=user_api_key_dict, cache=local_cache, data={}, call_type=""
     )