Add missing models service

Author: allegroai

trains_agent/backend_api/services/__init__.py

@@ -4,6 +4,7 @@
 from .v2_4 import tasks
 from .v2_4 import workers
 from .v2_4 import events
+from .v2_4 import models
 
 __all__ = [
     'auth',
@@ -12,4 +13,5 @@
     'tasks',
     'workers',
     'events',
+    'models',
 ]