SEBA-566 Add linting and fix errors in olt-service

Change-Id: I5f766180242714673500199eb55509286489b60b
diff --git a/VERSION b/VERSION
index 924d548..cfd3054 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-2.2.1.dev1
+2.2.1.dev2