fix(proxy): define UserNotFoundError in an import-free types module so no importer sits in the CodeQL cycle

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

litellm/proxy/_types.py

@@ -3954,13 +3954,6 @@ class ManagementEndpointLoggingPayload(LiteLLMPydanticObjectBase):
     end_time: datetime | None = None
 
 
-class UserNotFoundError(ValueError):
-    """The user row is provably absent, as opposed to merely unreadable, so a caller that reads a missing row as no user-level limits can key on it without also swallowing a database that would not answer."""
-
-    def __init__(self, user_id: str) -> None:
-        super().__init__(f"User doesn't exist in db. 'user_id'={user_id}. Create user via `/user/new` call.")
-
-
 class ProxyException(Exception):
     # NOTE: DO NOT MODIFY THIS
     # This is used to map exactly to OPENAI Exceptions

litellm/proxy/auth/auth_checks.py

@@ -65,7 +65,6 @@ from litellm.proxy._types import (
     RoleBasedPermissions,
     SpecialModelNames,
     UserAPIKeyAuth,
-    UserNotFoundError,
 )
 from litellm.proxy.auth.budget_throttle import (
     budget_throttle_percentage,
@@ -124,6 +123,7 @@ from litellm.repositories.table_repositories import (
 from litellm.repositories.team_repository import TeamRepository
 from litellm.repositories.user_repository import UserRepository
 from litellm.router import Router
+from litellm.types.proxy.auth.auth_checks import UserNotFoundError
 from litellm.types.proxy.model_access_group_budget import ModelAccessGroupBudget
 from litellm.utils import get_utc_datetime
 

litellm/proxy/management_endpoints/team_endpoints.py

@@ -73,7 +73,6 @@ from litellm.proxy._types import (
     TeamModelDeleteRequest,
     UpdateTeamRequest,
     UserAPIKeyAuth,
-    UserNotFoundError,
 )
 from litellm.proxy.auth.auth_checks import (
     OrganizationNotFoundError,
@@ -157,6 +156,7 @@ from litellm.repositories.verification_token_repository import (
     VerificationTokenRepository,
 )
 from litellm.router import Router
+from litellm.types.proxy.auth.auth_checks import UserNotFoundError
 from litellm.types.proxy.management_endpoints.common_daily_activity import (
     SpendAnalyticsPaginatedResponse,
 )

litellm/types/proxy/auth/auth_checks.py

@@ -0,0 +1,8 @@
+"""Failure values raised by `litellm/proxy/auth/auth_checks.py`. Kept free of `litellm` imports so any proxy module can import them without joining the `litellm.proxy` import cycle."""
+
+
+class UserNotFoundError(ValueError):
+    """The user row is provably absent, as opposed to merely unreadable, so a caller that reads a missing row as no user-level limits can key on it without also swallowing a database that would not answer."""
+
+    def __init__(self, user_id: str) -> None:
+        super().__init__(f"User doesn't exist in db. 'user_id'={user_id}. Create user via `/user/new` call.")