diff --git a/tablib/packages/markup.py b/tablib/packages/markup.py
index 07a7288..076a3d7 100644
--- a/tablib/packages/markup.py
+++ b/tablib/packages/markup.py
@@ -481,4 +481,4 @@ class CustomizationError( MarkupError ):
         self.message = "If you customize the allowed elements, you must define both types 'onetags' and 'twotags'."
 
 if __name__ == '__main__':
-    print __doc__
+    print (__doc__)