From 5db20e3545fb7386073b055991f3aa55d41c17f1 Mon Sep 17 00:00:00 2001
From: Maxime Beauchemin <maximebeauchemin@gmail.com>
Date: Sat, 20 Apr 2019 10:26:37 -0700
Subject: [PATCH] Fix #7056 'Unhashable type' in paired t-test chart (#7076)

---
 superset/viz.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/superset/viz.py b/superset/viz.py
index f9e64f9bce..57386b9d6c 100644
--- a/superset/viz.py
+++ b/superset/viz.py
@@ -2558,7 +2558,7 @@ class PairedTTestViz(BaseViz):
         """
         fd = self.form_data
         groups = fd.get('groupby')
-        metrics = fd.get('metrics')
+        metrics = self.metric_labels
         df = df.pivot_table(
             index=DTTM_ALIAS,
             columns=groups,