[jhbuild] core-deps-3.20: use the pygobject-3-20 branch of pygobject

[Alberts Muktupāvels <muktupavels src gnome org>]

commit b948a692ae072427f4b36fe88c8bf10aa8f9c416
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Aug 8 02:35:06 2017 +0300

    core-deps-3.20: use the pygobject-3-20 branch of pygobject

 modulesets/gnome-suites-core-deps-3.20.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets/gnome-suites-core-deps-3.20.modules b/modulesets/gnome-suites-core-deps-3.20.modules
index f3e4b4a..bf3e600 100644
--- a/modulesets/gnome-suites-core-deps-3.20.modules
+++ b/modulesets/gnome-suites-core-deps-3.20.modules
@@ -1283,7 +1283,7 @@
 
   <!-- Python 3 build of pygobject -->
   <autotools id="pygobject" autogenargs="--with-python=python3">
-    <branch/>
+    <branch revision="pygobject-3-20"/>
     <dependencies>
       <dep package="gnome-common"/>
       <dep package="glib"/>