[hotfix] no data

apache · Jan 12, 2016 · 089a8c6 · 089a8c6
1 parent f434f3c
commit 089a8c6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/panoramix/models.py b/panoramix/models.py
@@ -916,8 +916,8 @@ def query(
         client.groupby(**qry)
         query_str += json.dumps(client.query_dict, indent=2)
         df = client.export_pandas()
-        if not df:
-            raise Exception("No data")
+        if df is None or df.size == 0:
+            raise Exception("No data was returned.")
 
         if not is_timeseries and 'timestamp' in df.columns:
             del df['timestamp']