From 9a5d812ee608fc07d3c0303deee88cd20bc92125 Mon Sep 17 00:00:00 2001
From: Ville Brofeldt <33317356+villebro@users.noreply.github.com>
Date: Thu, 23 Jul 2020 09:22:48 +0300
Subject: [PATCH] fix: pie chart multiple groupbys (#10391)

---
 superset/viz.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/superset/viz.py b/superset/viz.py
index 8bceef675..6ce4d5ac9 100644
--- a/superset/viz.py
+++ b/superset/viz.py
@@ -1527,10 +1527,10 @@ class DistributionPieViz(NVD3Viz):
         if df.empty:
             return None
         metric = self.metric_labels[0]
-        df = df.pivot_table(index=self.groupby, values=[metric])
-        df.sort_values(by=metric, ascending=False, inplace=True)
-        df = df.reset_index()
-        df.columns = ["x", "y"]
+        df = pd.DataFrame(
+            {"x": df[self.groupby].agg(func=", ".join, axis=1), "y": df[metric]}
+        )
+        df.sort_values(by="y", ascending=False, inplace=True)
         return df.to_dict(orient="records")