From 928f47ae7782cf6d6069449c85e95337d536ad1e Mon Sep 17 00:00:00 2001
From: Ville Brofeldt <ville.v.brofeldt@gmail.com>
Date: Fri, 10 Sep 2021 16:15:53 +0300
Subject: [PATCH] refine series_columns logic

---
 superset/common/query_object.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/superset/common/query_object.py b/superset/common/query_object.py
index 265729a77dfc5..c8f08146732df 100644
--- a/superset/common/query_object.py
+++ b/superset/common/query_object.py
@@ -137,7 +137,8 @@ def __init__(  # pylint: disable=too-many-arguments,too-many-locals
             self.series_columns = series_columns
         elif is_timeseries and metrics:
             self.series_columns = columns
-        self.series_columns = series_columns or []
+        else:
+            self.series_columns = []
 
         self.is_rowcount = is_rowcount
         self.datasource = None