diff --git a/litellm/types/proxy/management_endpoints/internal_user_endpoints.py b/litellm/types/proxy/management_endpoints/internal_user_endpoints.py
index f6a2c173ad5..3b4a2a417f2 100644
--- a/litellm/types/proxy/management_endpoints/internal_user_endpoints.py
+++ b/litellm/types/proxy/management_endpoints/internal_user_endpoints.py
@@ -1,4 +1,4 @@
-from collections.abc import Mapping
+from collections.abc import Mapping, Sequence
 from typing import Any, Final, Literal
 
 from pydantic import BaseModel, ConfigDict, Field, field_validator
@@ -107,7 +107,7 @@ class BulkNewUserItem(NewUserRequest):
 class BulkNewUserRequest(BaseModel):
     model_config = ConfigDict(extra="forbid")
 
-    users: tuple[BulkNewUserItem, ...] = Field(min_length=1, max_length=MAX_BULK_NEW_USERS)
+    users: Sequence[BulkNewUserItem] = Field(min_length=1, max_length=MAX_BULK_NEW_USERS)
 
 
 class UserCreateResult(BaseModel):
diff --git a/tests/test_litellm/proxy/management_endpoints/management_v1/test_users.py b/tests/test_litellm/proxy/management_endpoints/management_v1/test_users.py
index b61e639e453..edd1d315093 100644
--- a/tests/test_litellm/proxy/management_endpoints/management_v1/test_users.py
+++ b/tests/test_litellm/proxy/management_endpoints/management_v1/test_users.py
@@ -79,16 +79,16 @@ def test_returns_one_result_per_row_in_order_inside_the_data_meta_envelope(prism
 
 
 def test_an_unknown_field_anywhere_in_the_body_is_a_422_problem(prisma, as_proxy_admin):
-    for body in (
-        {"users": [{"user_email": "a@example.com", "user_emial": "typo"}]},
-        {"users": [{"user_email": "a@example.com"}], "dry_run": True},
+    for body, field in (
+        ({"users": [{"user_email": "a@example.com", "user_emial": "typo"}]}, "users.0.user_emial"),
+        ({"users": [{"user_email": "a@example.com"}], "dry_run": True}, "dry_run"),
     ):
         response = _post(body)
 
         assert response.status_code == 422, body
         assert response.headers["content-type"] == "application/problem+json"
         assert response.json()["type"] == "urn:litellm:error:invalid-request-body"
-        assert "Extra inputs are not permitted" in response.json()["detail"]
+        assert response.json()["detail"] == f"{field}: Extra inputs are not permitted"
     assert prisma.db.litellm_usertable.rows == {}