[d-feet] flatpak: fix easy-install.pth write-ability

[Christian Hergert <chergert src gnome org>]

commit 107e51b858c9da439656a378df457b814c7af1ac
Author: Christian Hergert <chergert redhat com>
Date:   Tue May 22 10:30:13 2018 -0700

    flatpak: fix easy-install.pth write-ability

 org.gnome.dfeet.json | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/org.gnome.dfeet.json b/org.gnome.dfeet.json
index e1d743f..d1e6dab 100644
--- a/org.gnome.dfeet.json
+++ b/org.gnome.dfeet.json
@@ -43,6 +43,9 @@
                     "PYTHON": "/usr/bin/python2"
                 }
             },
+            "ensure-writable" : [
+                "/lib/python*/site-packages/easy-install.pth"
+            ],
             "sources": [
                 {
                     "type": "git",