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-rw-r--r--nova/api/openstack/contrib/security_groups.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/nova/api/openstack/contrib/security_groups.py b/nova/api/openstack/contrib/security_groups.py
index 662711951..9072a34ee 100644
--- a/nova/api/openstack/contrib/security_groups.py
+++ b/nova/api/openstack/contrib/security_groups.py
@@ -251,7 +251,7 @@ class SecurityGroupRulesController(SecurityGroupController):
cidr=None, group_id=None):
values = {}
- if group_id:
+ if group_id is not None:
try:
parent_group_id = int(parent_group_id)
group_id = int(group_id)