Fix E0401 and E1111 pylint errors in osm_ngsa

Change-Id: Idca830c61f9cad1666f158845701512522dc65db
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/tox.ini b/tox.ini
index 3428170..e3d7037 100644
--- a/tox.ini
+++ b/tox.ini
@@ -75,7 +75,7 @@
         pylint
 skip_install = true
 commands =
-        pylint -E src setup.py --disable=E0401 --disable=E1111
+        pylint -E src setup.py
 
 
 [testenv:pylint-webhook]