From 177d7c07e610f868097ad9350c83dcda0030e4fe Mon Sep 17 00:00:00 2001
From: Maxime Beauchemin <maximebeauchemin@gmail.com>
Date: Mon, 19 Feb 2018 09:56:25 -0800
Subject: [PATCH] [bugfix] address issue 4206 (#4452)

closes 4206
---
 superset/connectors/sqla/views.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/superset/connectors/sqla/views.py b/superset/connectors/sqla/views.py
index f4abf12f980c7..3bc31f0a006b3 100644
--- a/superset/connectors/sqla/views.py
+++ b/superset/connectors/sqla/views.py
@@ -279,6 +279,8 @@ def edit(self, pk):
         __('Refresh column metadata'),
         'fa-refresh')
     def refresh(self, tables):
+        if not isinstance(tables, list):
+            tables = [tables]
         for t in tables:
             t.fetch_metadata()
         msg = _(