fix(proxy): catch callback metadata validation errors

litellm/proxy/litellm_pre_call_utils.py

@@ -6,6 +6,7 @@ from collections import OrderedDict
 from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
 
 from fastapi import Request
+from pydantic import ValidationError as PydanticValidationError
 from starlette.datastructures import Headers
 
 import litellm
@@ -238,7 +239,7 @@ def _get_validated_callback_metadata(
 ) -> Optional[AddTeamCallback]:
     try:
         return AddTeamCallback(**item)
-    except ValueError as e:
+    except (PydanticValidationError, ValueError) as e:
         verbose_proxy_logger.warning(
             "Ignoring invalid %s callback metadata: %s",
             source,

tests/test_litellm/proxy/test_litellm_pre_call_utils.py

@@ -7,6 +7,7 @@ from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 from fastapi import Request
+from pydantic import ValidationError as PydanticValidationError
 from starlette.datastructures import Headers
 
 import litellm
@@ -1275,7 +1276,7 @@ def test_get_dynamic_logging_metadata_with_arize_team_logging():
 
 
 def test_add_team_callback_rejects_env_reference():
-    with pytest.raises(ValueError) as exc_info:
+    with pytest.raises(PydanticValidationError) as exc_info:
         AddTeamCallback(
             callback_name="langfuse",
             callback_type="success",