virsh power control timeouts prematurely

When using maas to power control virsh instances, they are only given 10 seconds which may be too short if the virtual machine host is slow.
I was getting timeout errors, until I used the below patch to use the full timeout value.

Thanks,

Author: Chris J Arges <email address hidden>

=== modified file 'src/provisioningserver/drivers/hardware/virsh.py'
--- src/provisioningserver/drivers/hardware/virsh.py 2014-11-14 20:56:12 +0000
+++ src/provisioningserver/drivers/hardware/virsh.py 2014-09-15 14:28:28 +0000
@@ -74,7 +74,7 @@
     def login(self, poweraddr, password=None):
         """Starts connection to virsh."""
         self._execute(poweraddr)
- i = self.expect(self.PROMPTS, timeout=self.timeout)
+ i = self.expect(self.PROMPTS, timeout=min(10, self.timeout))
         if i == self.I_PROMPT_SSHKEY:
             # New certificate, lets always accept but if
             # it changes it will fail to login.