changed validity check to make more readable

diff --git a/lib/sqlalchemy/sql/elements.py b/lib/sqlalchemy/sql/elements.py
index ce35ac5e6146c86e183ba6be67e3a4eba78508f2..42dfe6110647f1636bbf3649a9ddc6429c69d422 100644 (file)
--- a/lib/sqlalchemy/sql/elements.py
+++ b/lib/sqlalchemy/sql/elements.py
@@ -4246,7 +4246,7 @@ class Over(ColumnElement[_T]):
                 _literal_as_text_role=roles.ByOfRole,
             )
 
-        if (range_ and (rows or groups)) or (rows and (range_ or groups)):
+        if sum(bool(item) for item in (range_, rows, groups)) > 1:
             raise exc.ArgumentError(
                 "only one of 'rows', 'range_', or 'groups' may be provided"
             )