diff --git a/graphiti_core/helpers.py b/graphiti_core/helpers.py
index fa368b26..00eab227 100644
--- a/graphiti_core/helpers.py
+++ b/graphiti_core/helpers.py
@@ -83,7 +83,7 @@ async def semaphore_gather(
     return await asyncio.gather(*(_wrap_coroutine(coroutine) for coroutine in coroutines))
 
 
-def validate_group_id(group_id: str) -> bool:
+def validate_group_id(group_id: str | None) -> bool:
     """
     Validate that a group_id contains only ASCII alphanumeric characters, dashes, and underscores.
 
diff --git a/graphiti_core/utils/maintenance/graph_data_operations.py b/graphiti_core/utils/maintenance/graph_data_operations.py
index b866607f..eb69b186 100644
--- a/graphiti_core/utils/maintenance/graph_data_operations.py
+++ b/graphiti_core/utils/maintenance/graph_data_operations.py
@@ -49,9 +49,9 @@ async def build_indices_and_constraints(driver: GraphDriver, delete_existing: bo
         )
     range_indices: list[LiteralString] = get_range_indices(driver.provider)
 
-    fulltext_indices: list[LiteralString] = get_fulltext_indices(driver.provider)
+    fulltext_indices: list[str] = get_fulltext_indices(driver.provider)
 
-    index_queries: list[LiteralString] = range_indices + fulltext_indices
+    index_queries: list[str] = range_indices + fulltext_indices
 
     await semaphore_gather(
         *[