SEBA-563 fix networkx to version 2.2

Change-Id: Ie4b336ac8694fb9752c7110ee4e27edc67b3bb6f
diff --git a/VERSION b/VERSION
index 818bd47..2451c27 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.0.6
+3.0.7