Adapt to chagnes from 52709d707081a3fc145b76e75f0231ab2c7e4330

Change-Id: Ibea84630664c14c6f12088a90e7294cabe7ed125
diff --git a/nodepool/driver/runc/handler.py b/nodepool/driver/runc/handler.py
index 57aa51c..58b5c2e 100644
--- a/nodepool/driver/runc/handler.py
+++ b/nodepool/driver/runc/handler.py
@@ -23,11 +23,9 @@
 
 class RuncLauncher(NodeLauncher):
     def __init__(self, handler, node, provider_config, provider_label):
-        super().__init__(handler.zk, node, provider_config)
+        super().__init__(handler, node, provider_config)
         self.label = provider_label
         self.pool = handler.manager.pools[provider_label.pool.name]
-        self.handler = handler
-        self.zk = handler.zk
         self.retries = 3
 
     def launch(self):