SEBA-480 Add authentication to dynamicload and utility apis;
remove legacy tosca api endpoint

Change-Id: I886e2d4af87d24e72d460181beb9d81ffff098cf
diff --git a/lib/xos-genx/xosgenx/targets/grpc_api.xtarget b/lib/xos-genx/xosgenx/targets/grpc_api.xtarget
index 4abf3dc..387a2fe 100644
--- a/lib/xos-genx/xosgenx/targets/grpc_api.xtarget
+++ b/lib/xos-genx/xosgenx/targets/grpc_api.xtarget
@@ -6,7 +6,8 @@
 
 from django.contrib.auth import authenticate as django_authenticate
 from xos.exceptions import *
-from apihelper import XOSAPIHelperMixin, translate_exceptions
+from apihelper import XOSAPIHelperMixin
+from decorators import translate_exceptions
 import grpc
 
 class XosService(xos_pb2_grpc.xosServicer, XOSAPIHelperMixin):