Fix grammar errors

Replace 'a instance' with 'an instance' in watcher/decision_engine/model/collector/nova.py watcher/decision_engine/model/element/instance.py Change-Id: I39020f3e7b460dea768f7e38fef9ae9e2a4b7357
2018-02-09 16:32:54 +08:00
parent 40a653215f
commit fb66a9f2c3
2 changed files with 2 additions and 2 deletions
--- a/watcher/decision_engine/model/collector/nova.py
+++ b/watcher/decision_engine/model/collector/nova.py
@@ -337,7 +337,7 @@ class ModelBuilder(object):
        Create an instance node for the graph using nova and the
        `server` nova object.
        :param instance: Nova VM object.
-        :return: A instance node for the graph.
+        :return: An instance node for the graph.
        """
        flavor = instance.flavor
        instance_attributes = {