diff --git a/stress/tests/create_kill.py b/stress/tests/create_kill.py
index 8169fc4..26600de 100644
--- a/stress/tests/create_kill.py
+++ b/stress/tests/create_kill.py
@@ -1,35 +1,35 @@
-# Copyright 2011 Quanta Research Cambridge, Inc.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
-#
-#        http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS,
-#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#    See the License for the specific language governing permissions and
-#    limitations under the License.
-"""More aggressive test that creates and destroys VMs with shorter
-sleep times"""
-
-from stress.test_servers import *
-from stress.basher import BasherAction
-from stress.driver import *
-from tempest import openstack
-
-choice_spec = [
-    BasherAction(TestCreateVM(), 50),
-    BasherAction(TestKillActiveVM(), 50)
-]
-
-nova = openstack.Manager()
-
-bash_openstack(nova,
-               choice_spec,
-               duration=datetime.timedelta(seconds=180),
-               sleep_time=100,  # in milliseconds
-               seed=int(time.time()),
-               test_name="create and delete",
-               )
+# Copyright 2011 Quanta Research Cambridge, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+"""More aggressive test that creates and destroys VMs with shorter
+sleep times"""
+
+from stress.test_servers import *
+from stress.basher import BasherAction
+from stress.driver import *
+from tempest import openstack
+
+choice_spec = [
+    BasherAction(TestCreateVM(), 50),
+    BasherAction(TestKillActiveVM(), 50)
+]
+
+nova = openstack.Manager()
+
+bash_openstack(nova,
+               choice_spec,
+               duration=datetime.timedelta(seconds=180),
+               sleep_time=100,  # in milliseconds
+               seed=int(time.time()),
+               test_name="create and delete",
+               )
diff --git a/stress/tests/hard_reboots.py b/stress/tests/hard_reboots.py
index 1b5928e..324b133 100644
--- a/stress/tests/hard_reboots.py
+++ b/stress/tests/hard_reboots.py
@@ -1,37 +1,37 @@
-# Copyright 2011 Quanta Research Cambridge, Inc.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
-#
-#        http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS,
-#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#    See the License for the specific language governing permissions and
-#    limitations under the License.
-"""Test that reboots random instances in a Nova cluster"""
-
-
-from stress.test_servers import *
-from stress.test_server_actions import *
-from stress.basher import BasherAction
-from stress.driver import *
-from tempest import openstack
-
-choice_spec = [
-    BasherAction(TestCreateVM(), 50),
-    BasherAction(TestRebootVM(), 50,
-                 kargs={'type': 'HARD'})
-]
-
-nova = openstack.Manager()
-
-bash_openstack(nova,
-               choice_spec,
-               duration=datetime.timedelta(seconds=180),
-               sleep_time=500,  # in milliseconds
-               seed=int(time.time()),
-               test_name="hard reboots",
-               )
+# Copyright 2011 Quanta Research Cambridge, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+"""Test that reboots random instances in a Nova cluster"""
+
+
+from stress.test_servers import *
+from stress.test_server_actions import *
+from stress.basher import BasherAction
+from stress.driver import *
+from tempest import openstack
+
+choice_spec = [
+    BasherAction(TestCreateVM(), 50),
+    BasherAction(TestRebootVM(), 50,
+                 kargs={'type': 'HARD'})
+]
+
+nova = openstack.Manager()
+
+bash_openstack(nova,
+               choice_spec,
+               duration=datetime.timedelta(seconds=180),
+               sleep_time=500,  # in milliseconds
+               seed=int(time.time()),
+               test_name="hard reboots",
+               )
diff --git a/stress/tests/user_script_sample.py b/stress/tests/user_script_sample.py
index 3a6972c..51270a7 100644
--- a/stress/tests/user_script_sample.py
+++ b/stress/tests/user_script_sample.py
@@ -1,38 +1,38 @@
-# Copyright 2011 Quanta Research Cambridge, Inc.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
-#
-#        http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS,
-#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#    See the License for the specific language governing permissions and
-#    limitations under the License.
-"""Sample stress test that creates a few virtual machines and then
-destroys them"""
-
-
-from stress.test_servers import *
-from stress.basher import BasherAction
-from stress.driver import *
-from tempest import openstack
-
-choice_spec = [
-    BasherAction(TestCreateVM(), 50,
-                 kargs={'timeout': '60'}),
-    BasherAction(TestKillActiveVM(), 50)
-]
-
-
-nova = openstack.Manager()
-
-bash_openstack(nova,
-               choice_spec,
-               duration=datetime.timedelta(seconds=10),
-               sleep_time=1000,  # in milliseconds
-               seed=None,
-               test_name="simple create and delete",
-               max_vms=4)
+# Copyright 2011 Quanta Research Cambridge, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+"""Sample stress test that creates a few virtual machines and then
+destroys them"""
+
+
+from stress.test_servers import *
+from stress.basher import BasherAction
+from stress.driver import *
+from tempest import openstack
+
+choice_spec = [
+    BasherAction(TestCreateVM(), 50,
+                 kargs={'timeout': '60'}),
+    BasherAction(TestKillActiveVM(), 50)
+]
+
+
+nova = openstack.Manager()
+
+bash_openstack(nova,
+               choice_spec,
+               duration=datetime.timedelta(seconds=10),
+               sleep_time=1000,  # in milliseconds
+               seed=None,
+               test_name="simple create and delete",
+               max_vms=4)