diff --git a/metricflow/specs/query_interface.py b/metricflow/specs/query_interface.py
index 985d844ecf..ee55a52086 100644
--- a/metricflow/specs/query_interface.py
+++ b/metricflow/specs/query_interface.py
@@ -28,7 +28,6 @@ def grain(self) -> Optional[TimeGranularity]:
         raise NotImplementedError
 
 
-
 class QueryInterfaceDimension(Protocol):
     """Represents the interface for Dimension in the query interface."""