Add a Python 3 blocker to setup.py, to display a better error message when it is...

diff --git a/setup.py b/setup.py
index ac22917b9bee5260c70521dcf182550c43c1a024..a9ed364952296ab1ff0f1c2eb3511ea5419a4b5c 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,6 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
+u"Tahoe-LAFS does not run under Python 3. Please use a version of Python between 2.4.4 and 2.7.x inclusive."
 
 # Tahoe-LAFS -- secure, distributed storage grid
 #