hypervisor.lib: user count itertool instead of home made

cloudcontrol/node/hypervisor/lib.py

@@ -17,7 +17,7 @@
 """Helpers for libvirt."""
 
 import logging
-from itertools import chain, imap
+from itertools import chain, imap, count
 from StringIO import StringIO
 from xml.etree import cElementTree as et
 
@@ -195,14 +195,8 @@ class EventLoop(object):
         """
         self.loop = loop
 
-        def counter():
-            count = 0
-            while True:
-                yield count
-                count += 1
-
-        self.handle_id = counter()
-        self.timer_id = counter()
+        self.handle_id = count()
+        self.timer_id = count()
         self.handles = dict()
         self.timers = dict()