Merge pull request #28 from fly/py3ify-setup

use print() in setup.py for py3 goodness
diff --git a/setup.py b/setup.py
index a4531fe..06bcfd2 100644
--- a/setup.py
+++ b/setup.py
@@ -17,13 +17,13 @@
 
 # This check is to make sure we checkout docs/_themes before running sdist
 if not os.path.exists("./docs/_themes/README"):
-    print 'Please make sure you have docs/_themes checked out while running setup.py!'
+    print('Please make sure you have docs/_themes checked out while running setup.py!')
     if os.path.exists('.git'):
-        print 'You seem to be using a git checkout, please execute the following commands to get the docs/_themes directory:'
-        print ' - git submodule init'
-        print ' - git submodule update'
+        print('You seem to be using a git checkout, please execute the following commands to get the docs/_themes directory:')
+        print(' - git submodule init')
+        print(' - git submodule update')
     else:
-        print 'You seem to be using a release. Please use the release tarball from PyPI instead of the archive from GitHub'
+        print('You seem to be using a release. Please use the release tarball from PyPI instead of the archive from GitHub')
     sys.exit(1)
 
 extra = {}