test(test_user_api_key_auth.py): add unit test to ensure end user id as str works

litellm/litellm_core_utils/logging_utils.py

@@ -110,7 +110,7 @@ def _set_duration_in_model_call_details(
         if logging_obj and hasattr(logging_obj, "model_call_details"):
             logging_obj.model_call_details["llm_api_duration_ms"] = duration_ms
         else:
-            verbose_logger.warning(
+            verbose_logger.debug(
                 "`logging_obj` not found - unable to track `llm_api_duration_ms"
             )
     except Exception as e:

litellm/proxy/_new_secret_config.yaml

@@ -10,3 +10,6 @@ model_list:
       api_base: http://0.0.0.0:8090
       timeout: 2
       num_retries: 0
+  - model_name: gemini-1.5-flash
+    litellm_params:
+      model: gemini/gemini-1.5-flash

tests/proxy_unit_tests/test_user_api_key_auth.py

@@ -862,3 +862,18 @@ async def test_jwt_user_api_key_auth_builder_enforce_rbac(enforce_rbac, monkeypa
             await _jwt_auth_user_api_key_auth_builder(**args)
     else:
         await _jwt_auth_user_api_key_auth_builder(**args)
+
+
+def test_user_api_key_auth_end_user_str():
+    from litellm.proxy.auth.user_api_key_auth import UserAPIKeyAuth
+
+    user_api_key_args = {
+        "api_key": "sk-1234",
+        "parent_otel_span": None,
+        "user_role": LitellmUserRoles.PROXY_ADMIN,
+        "end_user_id": "1",
+        "user_id": "default_user_id",
+    }
+
+    user_api_key_auth = UserAPIKeyAuth(**user_api_key_args)
+    assert user_api_key_auth.end_user_id == "1"