diff --git a/flask/testing.py b/flask/testing.py
index 612b4d4d..67c3b434 100644
--- a/flask/testing.py
+++ b/flask/testing.py
@@ -10,6 +10,8 @@
     :license: BSD, see LICENSE for more details.
 """
 
+from __future__ import with_statement
+
 from contextlib import contextmanager
 from werkzeug.test import Client, EnvironBuilder
 from flask import _request_ctx_stack
diff --git a/flask/testsuite/__init__.py b/flask/testsuite/__init__.py
index 3f807251..49b85b23 100644
--- a/flask/testsuite/__init__.py
+++ b/flask/testsuite/__init__.py
@@ -9,6 +9,9 @@
     :copyright: (c) 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+
+from __future__ import with_statement
+
 import os
 import sys
 import flask
diff --git a/flask/testsuite/basic.py b/flask/testsuite/basic.py
index 078027b9..e71ce75c 100644
--- a/flask/testsuite/basic.py
+++ b/flask/testsuite/basic.py
@@ -8,6 +8,9 @@
     :copyright: (c) 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+
+from __future__ import with_statement
+
 import re
 import flask
 import unittest
diff --git a/flask/testsuite/blueprints.py b/flask/testsuite/blueprints.py
index 73577961..3f65dd48 100644
--- a/flask/testsuite/blueprints.py
+++ b/flask/testsuite/blueprints.py
@@ -8,6 +8,9 @@
     :copyright: (c) 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+
+from __future__ import with_statement
+
 import flask
 import unittest
 import warnings
diff --git a/flask/testsuite/deprecations.py b/flask/testsuite/deprecations.py
index 062f40b0..795a5d3d 100644
--- a/flask/testsuite/deprecations.py
+++ b/flask/testsuite/deprecations.py
@@ -8,6 +8,9 @@
     :copyright: (c) 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+
+from __future__ import with_statement
+
 import flask
 import unittest
 from flask.testsuite import FlaskTestCase, catch_warnings
diff --git a/flask/testsuite/helpers.py b/flask/testsuite/helpers.py
index 56264f70..052d36e1 100644
--- a/flask/testsuite/helpers.py
+++ b/flask/testsuite/helpers.py
@@ -8,6 +8,9 @@
     :copyright: (c) 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+
+from __future__ import with_statement
+
 import os
 import flask
 import unittest
diff --git a/flask/testsuite/templating.py b/flask/testsuite/templating.py
index eadbdcf6..453bfb65 100644
--- a/flask/testsuite/templating.py
+++ b/flask/testsuite/templating.py
@@ -8,6 +8,9 @@
     :copyright: (c) 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+
+from __future__ import with_statement
+
 import flask
 import unittest
 from flask.testsuite import FlaskTestCase
diff --git a/flask/testsuite/testing.py b/flask/testsuite/testing.py
index 32867c3f..2b073fd3 100644
--- a/flask/testsuite/testing.py
+++ b/flask/testsuite/testing.py
@@ -8,6 +8,9 @@
     :copyright: (c) 2011 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+
+from __future__ import with_statement
+
 import flask
 import unittest
 from flask.testsuite import FlaskTestCase