diff --git a/litellm/proxy/auth/v2/authenticators.py b/litellm/proxy/auth/v2/authenticators.py
index 6250882f208..2e305555852 100644
--- a/litellm/proxy/auth/v2/authenticators.py
+++ b/litellm/proxy/auth/v2/authenticators.py
@@ -6,11 +6,9 @@ from fastapi import HTTPException, status
 
 @runtime_checkable
 class Authenticator(Protocol):
-    def can_handle(self, api_key: Optional[str]) -> bool:
-        ...
+    def can_handle(self, api_key: Optional[str]) -> bool: ...
 
-    async def authenticate(self, api_key: str, ctx: "AuthContext") -> Any:
-        ...
+    async def authenticate(self, api_key: str, ctx: "AuthContext") -> Any: ...
 
 
 class AuthContext:
@@ -122,9 +120,7 @@ class JWTAuthenticator:
         settings = _load_jwt_settings()
         key_set = await JWKSProvider(settings.jwks_uri).get_key_set()
         try:
-            claims = verify(
-                api_key, key_set, settings.issuer, settings.audience
-            )
+            claims = verify(api_key, key_set, settings.issuer, settings.audience)
         except JWTVerificationError as e:
             raise HTTPException(
                 status_code=status.HTTP_401_UNAUTHORIZED,
@@ -218,9 +214,7 @@ class OAuth2IntrospectionAuthenticator:
         import httpx
 
         auth = (
-            (settings.client_id, settings.client_secret)
-            if settings.client_id
-            else None
+            (settings.client_id, settings.client_secret) if settings.client_id else None
         )
         async with httpx.AsyncClient() as client:
             response = await client.post(
diff --git a/litellm/proxy/auth/v2/entry.py b/litellm/proxy/auth/v2/entry.py
index 9764f3f8c03..e440ecf6e02 100644
--- a/litellm/proxy/auth/v2/entry.py
+++ b/litellm/proxy/auth/v2/entry.py
@@ -74,9 +74,7 @@ async def user_api_key_auth_v2(
         try:
             authorize(principal, route, request_data, enforcer)
         except AuthorizationDenied as e:
-            raise HTTPException(
-                status_code=status.HTTP_403_FORBIDDEN, detail=str(e)
-            )
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail=str(e))
 
         identity.request_route = route
         return identity
diff --git a/litellm/proxy/auth/v2/jwt_claims.py b/litellm/proxy/auth/v2/jwt_claims.py
index f612eb6af53..af262a8c8de 100644
--- a/litellm/proxy/auth/v2/jwt_claims.py
+++ b/litellm/proxy/auth/v2/jwt_claims.py
@@ -34,9 +34,7 @@ def extract_identity(claims: Dict[str, Any], settings: JWTSettings) -> JWTIdenti
     """
     user_id = claims.get(settings.user_id_claim)
     if not user_id:
-        raise JWTClaimError(
-            f"token missing user id claim '{settings.user_id_claim}'"
-        )
+        raise JWTClaimError(f"token missing user id claim '{settings.user_id_claim}'")
 
     team_id = claims.get(settings.team_claim) if settings.team_claim else None
 
diff --git a/litellm/proxy/auth/v2/jwt_verifier.py b/litellm/proxy/auth/v2/jwt_verifier.py
index c5cbb73bae4..32f3f0fc840 100644
--- a/litellm/proxy/auth/v2/jwt_verifier.py
+++ b/litellm/proxy/auth/v2/jwt_verifier.py
@@ -9,7 +9,9 @@ class JWTVerificationError(Exception):
     """Raised when a token fails signature or standard-claim validation."""
 
 
-def build_claims_options(issuer: Optional[str], audience: Optional[str]) -> Dict[str, Any]:
+def build_claims_options(
+    issuer: Optional[str], audience: Optional[str]
+) -> Dict[str, Any]:
     options: Dict[str, Any] = {"exp": {"essential": True}}
     if issuer:
         options["iss"] = {"essential": True, "value": issuer}
diff --git a/tests/test_litellm/proxy/auth/v2/test_jwt_claims.py b/tests/test_litellm/proxy/auth/v2/test_jwt_claims.py
index 5223f04cb51..8c5a8085b85 100644
--- a/tests/test_litellm/proxy/auth/v2/test_jwt_claims.py
+++ b/tests/test_litellm/proxy/auth/v2/test_jwt_claims.py
@@ -35,8 +35,13 @@ def test_team_and_role_are_mapped():
 
 def test_unmapped_role_value_yields_no_role():
     # An arbitrary IdP role string must not be trusted as a litellm role.
-    settings = JWTSettings(jwks_uri="x", role_claim="role", role_map={"a": "proxy_admin"})
-    assert extract_identity({"sub": "u1", "role": "totally-unknown"}, settings).role is None
+    settings = JWTSettings(
+        jwks_uri="x", role_claim="role", role_map={"a": "proxy_admin"}
+    )
+    assert (
+        extract_identity({"sub": "u1", "role": "totally-unknown"}, settings).role
+        is None
+    )
 
 
 def test_missing_user_id_raises():