diff --git a/bob/extension/test_extensions.py b/bob/extension/test_extensions.py
index e135217186e9e18fdfc98aa5473bc6c5a06309b7..fb475ef3f020b7f759487e8618f7a709da120885 100644
--- a/bob/extension/test_extensions.py
+++ b/bob/extension/test_extensions.py
@@ -23,7 +23,7 @@ def _run(package, run_call):
   temp_dir = tempfile.mkdtemp(prefix="bob_test")
 
   # redirect output of functions to /dev/null to avoid spamming the console
-  devnull = open(os.devnull, 'w')
+  # devnull = open(os.devnull, 'w')
 
   try:
     # extract archive
@@ -32,26 +32,26 @@ def _run(package, run_call):
     package_dir = os.path.join(temp_dir, "bob.example.%s" % package)
 
     # bootstrap
-    subprocess.call([sys.executable, "bootstrap-buildout.py"], cwd=package_dir, stdout=devnull, stderr=devnull)
+    subprocess.call([sys.executable, "bootstrap-buildout.py"], cwd=package_dir)
     assert os.path.exists(os.path.join(package_dir, "bin", "buildout"))
 
     # buildout
     # if we have a setup.py in our current directory, we develop both (as we might be in the current source directory of bob.extension and use it),
     # otherwise we only develop the downloaded source package
     develop = '%s\n.'%os.getcwd() if os.path.exists("setup.py") else '.'
-    subprocess.call(['./bin/buildout', 'buildout:prefer-final=false', 'buildout:develop=%s'%develop], cwd=package_dir, stdout=devnull)
+    subprocess.call(['./bin/buildout', 'buildout:prefer-final=false', 'buildout:develop=%s'%develop], cwd=package_dir)
     assert os.path.exists(os.path.join(package_dir, "bin", "python"))
 
     # nosetests
-    subprocess.call(['./bin/nosetests', '-sv'], cwd=package_dir, stdout=devnull, stderr=devnull)
+    subprocess.call(['./bin/nosetests', '-sv'], cwd=package_dir)
 
     # check that the call is working
-    subprocess.call(run_call, cwd=package_dir, stdout=devnull)
+    subprocess.call(run_call, cwd=package_dir)
 
-    subprocess.call(['./bin/sphinx-build', 'doc', 'sphinx'], cwd=package_dir, stdout=devnull)
+    subprocess.call(['./bin/sphinx-build', 'doc', 'sphinx'], cwd=package_dir)
     assert os.path.exists(os.path.join(package_dir, "sphinx", "index.html"))
 
-    subprocess.call('./bin/python -c "import pkg_resources; from bob.example.%s import get_config; print(get_config())"'%package, cwd=package_dir, stdout=devnull, shell=True)
+    subprocess.call('./bin/python -c "import pkg_resources; from bob.example.%s import get_config; print(get_config())"'%package, cwd=package_dir, shell=True)
 
   finally:
     shutil.rmtree(temp_dir)