Fix: serie can have no associated tags

Grégory Starck · aviau · commit 2bf9e421c790 · 2015-04-08T16:28:14.000-04:00
diff --git a/influxdb/resultset.py b/influxdb/resultset.py
@@ -91,7 +91,7 @@ def __len__(self):
     def keys(self):
         keys = []
         for serie in self._get_series():
-            keys.append((serie['name'], serie['tags']))
+            keys.append((serie['name'], serie.get('tags', None)))
         return keys
 
     def items(self):
