fix: handle null params in apache#18936 migration

serenajiang · Mar 31, 2022 · 7c02a57 · 7c02a57
1 parent 85e330e
commit 7c02a57
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/superset/migrations/versions/ab9a9d86e695_deprecate_time_range_endpoints.py b/superset/migrations/versions/ab9a9d86e695_deprecate_time_range_endpoints.py
@@ -47,7 +47,7 @@ def upgrade():
     session = db.Session(bind=bind)
 
     for slc in session.query(Slice):
-        params = json.loads(slc.params)
+        params = json.loads(slc.params or "{}")
         params.pop("time_range_endpoints", None)
         slc.params = json.dumps(params)