diff --git a/superset/utils/pandas_postprocessing/contribution.py b/superset/utils/pandas_postprocessing/contribution.py
index 89a1413b74eab..46144ec019402 100644
--- a/superset/utils/pandas_postprocessing/contribution.py
+++ b/superset/utils/pandas_postprocessing/contribution.py
@@ -14,6 +14,8 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
+from __future__ import annotations
+
 from decimal import Decimal
 from typing import Any