diff --git a/sdks/python/apache_beam/metrics/cells.py b/sdks/python/apache_beam/metrics/cells.py
index 9a62cae14691..b765c830f69c 100644
--- a/sdks/python/apache_beam/metrics/cells.py
+++ b/sdks/python/apache_beam/metrics/cells.py
@@ -826,7 +826,7 @@ def __repr__(self) -> str:
   def get_cumulative(self) -> "BoundedTrieData":
     return copy.deepcopy(self)
 
-  def get_result(self) -> set[tuple]:
+  def get_result(self) -> Set[tuple]:
     if self._root is None:
       if self._singleton is None:
         return set()