.gitignore: added generated pyang python classes

Change-Id: Ic5cf7f855f00cd0fbcf1ae6a2ffae31220342f62
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/.gitignore b/.gitignore
index 4eb4eb9..893f025 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,11 @@
 osm-im-*.post*
 osm-imdocs-*.post*
 osm-imdocs_*.post*
+osm_im/nsd.py
+osm_im/vnfd.py
+osm_im/nst.py
+osm_im/nsi.py
+osm_im/osm.yaml
 
 #Pyang and other tools' folders
 pyangbind