From 1842c56209131757f47bf7706a601aa933c6da4b Mon Sep 17 00:00:00 2001
From: Will Barrett <will@preset.io>
Date: Wed, 2 Dec 2020 09:47:02 -0800
Subject: [PATCH] Capture error when celery back-end does not support
 forgetting tasks (#10770)

---
 superset/views/core.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/superset/views/core.py b/superset/views/core.py
index f66c5ca535..0d00ecb6c6 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -2240,7 +2240,13 @@ class Superset(BaseSupersetView):  # pylint: disable=too-many-public-methods
 
             # Explicitly forget the task to ensure the task metadata is removed from the
             # Celery results backend in a timely manner.
-            task.forget()
+            try:
+                task.forget()
+            except NotImplementedError:
+                logger.warning(
+                    "Unable to forget Celery task as backend"
+                    "does not support this operation"
+                )
         except Exception as ex:  # pylint: disable=broad-except
             logger.exception("Query %i: %s", query.id, str(ex))
             msg = _(