[gnome-tweak-tool] inhibitor: Switch to python3

[Jeremy Bicha <jbicha src gnome org>]

commit a09f5084b0e422448a4aceb3183e9064b36c2e30
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Wed Jun 7 16:43:50 2017 -0400

    inhibitor: Switch to python3

 gnome-tweak-tool-lid-inhibitor |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-tweak-tool-lid-inhibitor b/gnome-tweak-tool-lid-inhibitor
index 3ca94e3..8d67210 100755
--- a/gnome-tweak-tool-lid-inhibitor
+++ b/gnome-tweak-tool-lid-inhibitor
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/python3
 
 import gi
 gi.require_version("GLib", "2.0")