Use print_function

setup.py

@@ -38,6 +38,7 @@ Links
   <http://github.com/mitsuhiko/flask/zipball/master#egg=Flask-dev>`_
 
 """
+from __future__ import print_function
 from setuptools import Command, setup
 
 class run_audit(Command):
@@ -59,7 +60,7 @@ class run_audit(Command):
         try:
             import pyflakes.scripts.pyflakes as flakes
         except ImportError:
-            print "Audit requires PyFlakes installed in your system."
+            print("Audit requires PyFlakes installed in your system.")
             sys.exit(-1)
 
         warns = 0
@@ -71,9 +72,9 @@ class run_audit(Command):
                     if file != '__init__.py' and file.endswith('.py') :
                         warns += flakes.checkPath(os.path.join(root, file))
         if warns > 0:
-            print "Audit finished with total %d warnings." % warns
+            print("Audit finished with total %d warnings." % warns)
         else:
-            print "No problems found in sourcecode."
+            print("No problems found in sourcecode.")
 
 setup(
     name='Flask',