diff --git a/litellm/rust_bridge/catalog.py b/litellm/rust_bridge/catalog.py
index 04d413beed2..68263682ad7 100644
--- a/litellm/rust_bridge/catalog.py
+++ b/litellm/rust_bridge/catalog.py
@@ -9,14 +9,14 @@ signals ``RustBridgeDeclined`` before any provider I/O.
 from __future__ import annotations
 
 from dataclasses import dataclass
-from enum import Enum, StrEnum, auto
+from enum import Enum, auto
 from typing import Final, TypeAlias
 
 from litellm.rust_bridge.configuration import Decision, Rollout
 from litellm.rust_bridge.configuration import decision as _decision
 
 
-class Route(StrEnum):
+class Route(str, Enum):
     CHAT_COMPLETIONS = "chat_completions"
     MESSAGES = "messages"
     RESPONSES = "responses"
diff --git a/litellm/rust_bridge/runtime.py b/litellm/rust_bridge/runtime.py
index 46b7c99f3bc..843183144e2 100644
--- a/litellm/rust_bridge/runtime.py
+++ b/litellm/rust_bridge/runtime.py
@@ -2,7 +2,9 @@ from __future__ import annotations
 
 from collections.abc import Awaitable, Callable
 from dataclasses import dataclass
-from typing import Final, Generic, NoReturn, TypeAlias, TypeVar, assert_never
+from typing import Final, Generic, NoReturn, TypeAlias, TypeVar
+
+from typing_extensions import assert_never
 
 from litellm.exceptions import APIError
 from litellm.rust_bridge.bindings import NativeBinding, native_exception_types