closes #292 (#304)

apache · Apr 9, 2016 · a3dcb0f · a3dcb0f
1 parent 25831f0
commit a3dcb0f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/caravel/forms.py b/caravel/forms.py
@@ -113,7 +113,9 @@ def __init__(self, viz):
         viz = self.viz
         datasource = viz.datasource
         default_metric = datasource.metrics_combo[0][0]
-        default_groupby = datasource.groupby_column_names[0]
+
+        gb_cols = datasource.groupby_column_names
+        default_groupby = gb_cols[0] if gb_cols else None
         group_by_choices = [(s, s) for s in datasource.groupby_column_names]
         # Pool of all the fields that can be used in Caravel
         self.field_dict = {