diff --git a/litellm/proxy/auth/auth_checks.py b/litellm/proxy/auth/auth_checks.py
index 8a44a7bab33..42c73729a2b 100644
--- a/litellm/proxy/auth/auth_checks.py
+++ b/litellm/proxy/auth/auth_checks.py
@@ -3338,12 +3338,16 @@ def _can_object_call_model(
         )
         # Require a real model-group name; a non-string from a router stub must
         # never be treated as a grant.
-        if isinstance(canonical_target, str) and canonical_target and _check_model_access_helper(
-            model=canonical_target,
-            llm_router=llm_router,
-            models=models,
-            team_model_aliases=team_model_aliases,
-            team_id=team_id,
+        if (
+            isinstance(canonical_target, str)
+            and canonical_target
+            and _check_model_access_helper(
+                model=canonical_target,
+                llm_router=llm_router,
+                models=models,
+                team_model_aliases=team_model_aliases,
+                team_id=team_id,
+            )
         ):
             return True
 
diff --git a/litellm/router.py b/litellm/router.py
index 94ca7854233..aee52e50f7b 100644
--- a/litellm/router.py
+++ b/litellm/router.py
@@ -10721,9 +10721,7 @@ class Router:
         cost_generation: Final = get_model_cost_mutation_generation()
         if self._canonical_model_index is None or self._canonical_model_index_cost_generation != cost_generation:
             try:
-                self._canonical_model_index = build_canonical_index(
-                    cast("list[DeploymentTypedDict]", self.model_list)
-                )
+                self._canonical_model_index = build_canonical_index(cast("list[DeploymentTypedDict]", self.model_list))
             except Exception as exc:  # noqa: BLE001  # index construction must never brick a router; degrade to 'strict'
                 verbose_router_logger.error("canonical-resolution: index build failed, disabling feature: %s", exc)
                 self._canonical_model_index = {}