Changes to bundle_utils/etc related to SMaHT ingestion work.

dcicutils/sheet_utils.py

@@ -443,7 +443,7 @@ def is_comment_row(row: Tuple[Optional[Any]]) -> bool:
         return False
 
     @staticmethod
-    def remove_trailing_none_values(values: List[Any]) -> list[Any]:
+    def remove_trailing_none_values(values: List[Any]) -> List[Any]:
         for index in range(len(values) - 1, -1, -1):
             if values[index] is not None:
                 break