Feature 11073: Enhanced OSM declarative modelling for applications. App as first class citizen

Change-Id: I6b750f4d862692ab885e98afe3771ba817dd6535
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/requirements.in b/requirements.in
index 79f5cfe..8a93de8 100644
--- a/requirements.in
+++ b/requirements.in
@@ -17,6 +17,7 @@
 charset-normalizer
 checksumdir
 config-man
+GitPython
 google-auth<2.18.0
 grpcio-tools
 grpclib