diff --git a/tests/unit/proxy/pass_through_endpoints/test_passthrough_endpoint_router.py b/tests/unit/proxy/pass_through_endpoints/test_passthrough_endpoint_router.py
index de1350ab201..deb02b35e8b 100644
--- a/tests/unit/proxy/pass_through_endpoints/test_passthrough_endpoint_router.py
+++ b/tests/unit/proxy/pass_through_endpoints/test_passthrough_endpoint_router.py
@@ -1,6 +1,7 @@
 import asyncio
 import os
 import unittest
+from typing import Final
 from unittest.mock import patch
 
 import pytest
@@ -60,12 +61,12 @@ def test_credential_loaded_after_deployment_registration_still_resolves():
     )
 
 
-def _team_deployment(model: str, team_id: str, **litellm_params) -> dict:
+def _team_deployment(model: str, team_id: str, **litellm_params: str) -> dict[str, object]:
     return {**_flagged_deployment(model, **litellm_params), "model_info": {"team_id": team_id}}
 
 
-def test_proxy_wide_deployment_credentials_skip_a_team_deployment_for_the_proxy_wide_one():
-    llm_router = litellm.Router(
+def test_proxy_wide_deployment_credentials_skip_a_team_deployment_for_the_proxy_wide_one() -> None:
+    llm_router: Final = litellm.Router(
         model_list=[
             _team_deployment(
                 "watsonx/ibm/granite-3-8b-instruct",
@@ -81,14 +82,16 @@ def test_proxy_wide_deployment_credentials_skip_a_team_deployment_for_the_proxy_
         ]
     )
 
-    credentials = _passthrough_router(llm_router).get_proxy_wide_deployment_credentials(custom_llm_provider="watsonx")
+    credentials: Final = _passthrough_router(llm_router).get_proxy_wide_deployment_credentials(
+        custom_llm_provider="watsonx"
+    )
 
     assert credentials is not None
     assert (credentials.api_key, credentials.api_base) == ("wx-proxy-wide-key", "https://eu-de.ml.cloud.ibm.com")
 
 
-def test_proxy_wide_deployment_credentials_are_none_when_only_a_team_deployment_is_flagged():
-    llm_router = litellm.Router(
+def test_proxy_wide_deployment_credentials_are_none_when_only_a_team_deployment_is_flagged() -> None:
+    llm_router: Final = litellm.Router(
         model_list=[_team_deployment("watsonx/ibm/granite-3-8b-instruct", "team-a", api_key="wx-team-a-key")]
     )
 
diff --git a/tests/unit/proxy/pass_through_endpoints/test_watsonx_proxy_route.py b/tests/unit/proxy/pass_through_endpoints/test_watsonx_proxy_route.py
index 8b41f434201..e19612da1ee 100644
--- a/tests/unit/proxy/pass_through_endpoints/test_watsonx_proxy_route.py
+++ b/tests/unit/proxy/pass_through_endpoints/test_watsonx_proxy_route.py
@@ -6,6 +6,7 @@ and version parameter injection.
 """
 
 import json
+from typing import Final
 from unittest.mock import AsyncMock, MagicMock, Mock, patch
 
 import pytest
@@ -557,8 +558,10 @@ async def test_watsonx_route_falls_back_to_env_when_no_deployment_is_flagged(mon
 
 
 @pytest.mark.asyncio
-async def test_watsonx_route_falls_back_to_env_when_the_only_flagged_deployment_belongs_to_a_team(monkeypatch):
-    llm_router = litellm.Router(
+async def test_watsonx_route_falls_back_to_env_when_the_only_flagged_deployment_belongs_to_a_team(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    llm_router: Final = litellm.Router(
         model_list=[
             {
                 **_watsonx_deployment("wx-team-a-key", "https://team-a.ml.cloud.ibm.com", use_in_pass_through=True),