Minor code cleanups

nova/compute/manager.py

@@ -125,7 +125,7 @@ class ComputeManager(manager.Manager):
         # FIXME(ja): include other fields from state?
         instance_ref = self.db.instance_get(context, instance_id)
         try:
-            info = self.driver.get_info(instance_ref)
+            info = self.driver.get_info(instance_ref['name'])
             state = info['state']
         except exception.NotFound:
             state = power_state.NOSTATE

nova/tests/test_xenapi.py

@@ -265,10 +265,6 @@ class XenAPIVMTestCase(test.TestCase):
         return instance
 
 
-
-
-
-
 class XenAPIDiffieHellmanTestCase(test.TestCase):
     """
     Unit tests for Diffie-Hellman code

nova/virt/xenapi/vmops.py

@@ -22,7 +22,6 @@ Management class for VM-related functions (spawn, reboot, etc).
 import json
 import M2Crypto
 import os
-import random
 import subprocess
 import tempfile
 import uuid