[libchamplain] Silence PyGI version warnings for Python demos

[Jiří Techet <jiritechet src gnome org>]

commit 209a449a3b259ced232389515a87dac95a21b31e
Author: Chris Mayo <aklhfex gmail com>
Date:   Sat Aug 12 11:27:23 2017 +0100

    Silence PyGI version warnings for Python demos
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786195

 demos/keyboard-mapping.py |    3 +++
 demos/launcher-gtk.py     |    4 ++++
 demos/mapbox.py           |    4 ++++
 demos/minimal.py          |    3 +++
 demos/polygons.py         |    3 +++
 5 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/demos/keyboard-mapping.py b/demos/keyboard-mapping.py
index 7b7663d..50eb623 100755
--- a/demos/keyboard-mapping.py
+++ b/demos/keyboard-mapping.py
@@ -5,6 +5,9 @@
 #
 # export GI_TYPELIB_PATH=$GI_TYPELIB_PATH:/usr/local/lib/girepository-1.0/
 
+import gi
+gi.require_version('GtkChamplain', '0.12')
+gi.require_version('GtkClutter', '1.0')
 from gi.repository import GtkClutter
 from gi.repository import GObject, Gtk, Gdk, GtkChamplain 
 
diff --git a/demos/launcher-gtk.py b/demos/launcher-gtk.py
index 7b36b01..1035495 100755
--- a/demos/launcher-gtk.py
+++ b/demos/launcher-gtk.py
@@ -1,6 +1,10 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+import gi
+gi.require_version('Champlain', '0.12')
+gi.require_version('GtkChamplain', '0.12')
+gi.require_version('GtkClutter', '1.0')
 from gi.repository import GtkClutter, Clutter
 GtkClutter.init([]) # Must be initialized before importing those:
 from gi.repository import GObject, Gtk, Champlain, GtkChamplain, Pango
diff --git a/demos/mapbox.py b/demos/mapbox.py
index c2d141d..d47ee4a 100755
--- a/demos/mapbox.py
+++ b/demos/mapbox.py
@@ -5,6 +5,10 @@
 #
 # export GI_TYPELIB_PATH=$GI_TYPELIB_PATH:/usr/local/lib/girepository-1.0/
 
+import gi
+gi.require_version('Champlain', '0.12')
+gi.require_version('GtkChamplain', '0.12')
+gi.require_version('GtkClutter', '1.0')
 from gi.repository import GtkClutter
 from gi.repository import GObject, Gtk, Champlain, GtkChamplain
 
diff --git a/demos/minimal.py b/demos/minimal.py
index 3d7a4c1..03a9b12 100755
--- a/demos/minimal.py
+++ b/demos/minimal.py
@@ -5,6 +5,9 @@
 #
 # export GI_TYPELIB_PATH=$GI_TYPELIB_PATH:/usr/local/lib/girepository-1.0/
 
+import gi
+gi.require_version('GtkChamplain', '0.12')
+gi.require_version('GtkClutter', '1.0')
 from gi.repository import GtkClutter
 from gi.repository import GObject, Gtk, GtkChamplain 
 
diff --git a/demos/polygons.py b/demos/polygons.py
index a888309..8344512 100755
--- a/demos/polygons.py
+++ b/demos/polygons.py
@@ -16,6 +16,9 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #
 
+import gi
+gi.require_version('Champlain', '0.12')
+gi.require_version('Clutter', '1.0')
 from gi.repository import Clutter, Champlain
 Clutter.init([])