Fix __init__
diff --git a/xos/core/models/__init__.py b/xos/core/models/__init__.py
index 6b5826a..5b0ad4b 100644
--- a/xos/core/models/__init__.py
+++ b/xos/core/models/__init__.py
@@ -29,3 +29,4 @@
 from .network import Network, NetworkParameterType, NetworkParameter, Port, NetworkTemplate, Router, NetworkSlice, ControllerNetwork, AddressPool
 from .billing import Account, Invoice, Charge, UsableObject, Payment
 from .program import Program
+