fix: handle null params in #18936 migration (#19474)

apache · Mar 31, 2022 · 7f85da6 · 7f85da6
1 parent 6828624
commit 7f85da6
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)