diff --git a/superset/viz.py b/superset/viz.py
index 3de5e0501d6b..848e3b35c9e4 100644
--- a/superset/viz.py
+++ b/superset/viz.py
@@ -115,6 +115,8 @@ def __init__(
         self.results: Optional[QueryResult] = None
         self.error_message: Optional[str] = None
         self.force = force
+        self.from_ddtm: Optional[datetime] = None
+        self.to_dttm: Optional[datetime] = None
 
         # Keeping track of whether some data came from cache
         # this is useful to trigger the <CachedLabel /> when