fix empty metrics

(cherry picked from commit 95bb175)
michellethomas · Jun 14, 2018 · cb9d30d · cb9d30d
1 parent 0434526
commit cb9d30d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/superset/viz.py b/superset/viz.py
@@ -555,7 +555,7 @@ def get_data(self, df):
                 m_name = '%' + m
                 df[m_name] = pd.Series(metric_percents[m], name=m_name)
             # Remove metrics that are not in the main metrics list
-            metrics = fd.get('metrics', [])
+            metrics = fd.get('metrics') or []
             metrics = [self.get_metric_label(m) for m in metrics]
             for m in filter(
                 lambda m: m not in metrics and m in df.columns,