Make driver calls compatible

1 files changed, 2 insertions, 2 deletions

diff --git a/nova/virt/libvirt_conn.py b/nova/virt/libvirt_conn.py
index c03046703..797ac1b60 100644
--- a/nova/virt/libvirt_conn.py
+++ b/nova/virt/libvirt_conn.py
@@ -328,7 +328,7 @@ class LibvirtConnection(object):
         raise exception.APIError("resume not supported for libvirt")
 
     @exception.wrap_exception
-    def rescue(self, instance):
+    def rescue(self, instance, callback=None):
         self.destroy(instance, False)
 
         xml = self.to_xml(instance, rescue=True)
@@ -358,7 +358,7 @@ class LibvirtConnection(object):
         return timer.start(interval=0.5, now=True)
 
     @exception.wrap_exception
-    def unrescue(self, instance):
+    def unrescue(self, instance, callback=None):
         # NOTE(vish): Because reboot destroys and recreates an instance using
         #             the normal xml file, we can just call reboot here
         self.reboot(instance)