AMBARI-3963. Ambari host registering freezes if wrong ssh key provided. (mpapirkovskyy)

ambari-server/src/main/python/bootstrap.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2.6
 
 '''
 Licensed to the Apache Software Foundation (ASF) under one