diff --git a/xos/services/vpn/models.py b/xos/services/vpn/models.py
index 3996605..c1c0a0b 100644
--- a/xos/services/vpn/models.py
+++ b/xos/services/vpn/models.py
@@ -1,6 +1,7 @@
+from subprocess import PIPE, Popen
+
 from core.models import Service, TenantWithContainer
 from django.db import transaction
-from subprocess import Popen, PIPE
 from xos.exceptions import XOSConfigurationError, XOSValidationError
 
 VPN_KIND = "vpn"