Pylint 'Undefined variable' E0602 error fixes.

3 files changed, 7 insertions, 5 deletions

diff --git a/nova/api/openstack/accounts.py b/nova/api/openstack/accounts.py
index 2510ffb61..86066fa20 100644
--- a/nova/api/openstack/accounts.py
+++ b/nova/api/openstack/accounts.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 import common
+import webob.exc
 
 from nova import exception
 from nova import flags
@@ -51,10 +52,10 @@ class Controller(wsgi.Controller):
             raise exception.NotAuthorized(_("Not admin user."))
 
     def index(self, req):
-        raise faults.Fault(exc.HTTPNotImplemented())
+        raise faults.Fault(webob.exc.HTTPNotImplemented())
 
     def detail(self, req):
-        raise faults.Fault(exc.HTTPNotImplemented())
+        raise faults.Fault(webob.exc.HTTPNotImplemented())
 
     def show(self, req, id):
         """Return data about the given account id"""
@@ -69,7 +70,7 @@ class Controller(wsgi.Controller):
     def create(self, req):
         """We use update with create-or-update semantics
            because the id comes from an external source"""
-        raise faults.Fault(exc.HTTPNotImplemented())
+        raise faults.Fault(webob.exc.HTTPNotImplemented())
 
     def update(self, req, id):
         """This is really create or update."""
diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py
index f971cf09b..bfceaa94c 100644
--- a/nova/db/sqlalchemy/api.py
+++ b/nova/db/sqlalchemy/api.py
@@ -2212,7 +2212,7 @@ def migration_get(context, id, session=None):
                      filter_by(id=id).first()
     if not result:
         raise exception.NotFound(_("No migration found with id %s")
-                % migration_id)
+                % id)
     return result
 
 
@@ -2435,6 +2435,7 @@ def zone_create(context, values):
 
 @require_admin_context
 def zone_update(context, zone_id, values):
+    session = get_session()
     zone = session.query(models.Zone).filter_by(id=zone_id).first()
     if not zone:
         raise exception.NotFound(_("No zone with id %(zone_id)s") % locals())
diff --git a/nova/virt/fake.py b/nova/virt/fake.py
index 5b0fe1877..7018f8c1b 100644
--- a/nova/virt/fake.py
+++ b/nova/virt/fake.py
@@ -344,7 +344,7 @@ class FakeConnection(driver.ComputeDriver):
         Note that this function takes an instance ID, not a
         compute.service.Instance, so that it can be called by compute.monitor.
         """
-        return [0L, 0L, 0L, 0L, null]
+        return [0L, 0L, 0L, 0L, None]
 
     def interface_stats(self, instance_name, iface_id):
         """