some error handling for WordCloud

2016-01-11 14:42:45 -08:00 · 2016-01-11 14:42:45 -08:00 · 6c92fa471d
parent 3efaec8983
commit 6c92fa471d
1 changed files with 3 additions and 0 deletions
--- a/panoramix/viz.py
+++ b/panoramix/viz.py
@ -445,6 +445,9 @@ class WordCloudViz(BaseViz):

    def query_obj(self):
        d = super(WordCloudViz, self).query_obj()
+        if len(d['groupby']) < 1:
+            raise Exception("Pick at least one field to group by")
+
        metric = self.form_data.get('metric')
        if not metric:
            raise Exception("Pick a metric!")