[mousetrap/gnome3-wip: 164/240] Don't display xlib warning for Py3

[Heidi Ellis <heidiellis src gnome org>]

commit 851c604eac093a61f48cab9394810876fad6c2ab
Author: Kevin Brown <kevin kevinbrown in>
Date:   Wed Jun 25 18:45:15 2014 -0400

    Don't display xlib warning for Py3

 setup.py |   22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)
---
diff --git a/setup.py b/setup.py
index 8f35585..f1c824d 100644
--- a/setup.py
+++ b/setup.py
@@ -57,21 +57,23 @@ The installation not work as expected without this dependency.
         try:
             import Xlib
         except ImportError:
-            sys.stderr.write(
-"""
-Python Xlib does not appear to be installed.  This cannot be installed
-automatically and must be installed to the system using your package manager.
+            # Python3-xlib can be installed automatically
+            if PYTHON_VERSION[0] < 3:
+                sys.stderr.write(
+    """
+    Python Xlib does not appear to be installed.  This cannot be installed
+    automatically and must be installed to the system using your package manager.
 
-On apt-based systems:
+    On apt-based systems:
 
-    sudo apt-get install python-xlib
+        sudo apt-get install python-xlib
 
-On yum-based systems:
+    On yum-based systems:
 
-    sudo yum install python-xlib
+        sudo yum install python-xlib
 
-The installation not work as expected without this dependency.
-""")
+    The installation not work as expected without this dependency.
+    """)
 
         try:
             import cv2