diff --git a/simple_ddl_parser/dialects/sql.py b/simple_ddl_parser/dialects/sql.py
index cf5b2bf..20ca271 100644
--- a/simple_ddl_parser/dialects/sql.py
+++ b/simple_ddl_parser/dialects/sql.py
@@ -10,7 +10,7 @@
 
 class AfterColumns:
     @staticmethod
-    def _parse_range_bucket(data: list[str]) -> Tuple[List[str], List[str]]:
+    def _parse_range_bucket(data: List[str]) -> Tuple[List[str], List[str]]:
         range = None
 
         if len(data) == 3: