diff --git a/flask/testsuite/__init__.py b/flask/testsuite/__init__.py
index 5d86fa3d..7938a784 100644
--- a/flask/testsuite/__init__.py
+++ b/flask/testsuite/__init__.py
@@ -10,6 +10,7 @@
     :license: BSD, see LICENSE for more details.
 """
 
+from __future__ import print_function
 from __future__ import with_statement
 
 import os
@@ -221,4 +222,4 @@ def main():
     try:
         unittest.main(testLoader=BetterLoader(), defaultTest='suite')
     except Exception, e:
-        print 'Error: %s' % e
+        print('Error: %s' % e)
diff --git a/flask/testsuite/config.py b/flask/testsuite/config.py
index bf72925b..2027f578 100644
--- a/flask/testsuite/config.py
+++ b/flask/testsuite/config.py
@@ -113,7 +113,7 @@ class LimitedLoaderMockWrapper(object):
     def __getattr__(self, name):
         if name in ('archive', 'get_filename'):
             msg = 'Mocking a loader which does not have `%s.`' % name
-            raise AttributeError, msg
+            raise AttributeError(msg)
         return getattr(self.loader, name)