Fix import order to comply with import ordering rules.

Fixes pep8 failures TEMPEST N306 and N301.

Change-Id: I87d6ef4058170da73ff64d4e4a4caf43f8a18046
diff --git a/tempest/openstack.py b/tempest/openstack.py
index fbd2f00..e29ea8e 100644
--- a/tempest/openstack.py
+++ b/tempest/openstack.py
@@ -19,47 +19,47 @@
 
 from tempest import config
 from tempest import exceptions
-from tempest.services.identity.json.admin_client import AdminClientJSON
-from tempest.services.identity.json.admin_client import TokenClientJSON
-from tempest.services.identity.xml.admin_client import AdminClientXML
-from tempest.services.identity.xml.admin_client import TokenClientXML
-from tempest.services.image import service as image_service
-from tempest.services.network.json.network_client import NetworkClient
+from tempest.services.boto.clients import APIClientEC2
+from tempest.services.boto.clients import ObjectClientS3
 from tempest.services.compute.json.extensions_client import \
-ExtensionsClientJSON
+        ExtensionsClientJSON
 from tempest.services.compute.json.flavors_client import FlavorsClientJSON
 from tempest.services.compute.json.floating_ips_client import \
-FloatingIPsClientJSON
+        FloatingIPsClientJSON
 from tempest.services.compute.json.images_client import ImagesClientJSON
 from tempest.services.compute.json.limits_client import LimitsClientJSON
 from tempest.services.compute.json.servers_client import ServersClientJSON
-from tempest.services.compute.json.security_groups_client \
-import SecurityGroupsClientJSON
+from tempest.services.compute.json.security_groups_client import \
+        SecurityGroupsClientJSON
 from tempest.services.compute.json.keypairs_client import KeyPairsClientJSON
-from tempest.services.compute.json.volumes_extensions_client \
-import VolumesExtensionsClientJSON
-from tempest.services.compute.json.console_output_client \
-import ConsoleOutputsClient
+from tempest.services.compute.json.quotas_client import QuotasClient
+from tempest.services.compute.json.volumes_extensions_client import \
+        VolumesExtensionsClientJSON
+from tempest.services.compute.json.console_output_client import \
+        ConsoleOutputsClient
 from tempest.services.compute.xml.extensions_client import ExtensionsClientXML
 from tempest.services.compute.xml.flavors_client import FlavorsClientXML
 from tempest.services.compute.xml.floating_ips_client import \
-FloatingIPsClientXML
+        FloatingIPsClientXML
 from tempest.services.compute.xml.images_client import ImagesClientXML
 from tempest.services.compute.xml.keypairs_client import KeyPairsClientXML
 from tempest.services.compute.xml.limits_client import LimitsClientXML
 from tempest.services.compute.xml.security_groups_client \
 import SecurityGroupsClientXML
 from tempest.services.compute.xml.servers_client import ServersClientXML
-from tempest.services.compute.xml.volumes_extensions_client \
-import VolumesExtensionsClientXML
-from tempest.services.volume.json.volumes_client import VolumesClientJSON
-from tempest.services.volume.xml.volumes_client import VolumesClientXML
+from tempest.services.compute.xml.volumes_extensions_client import \
+        VolumesExtensionsClientXML
+from tempest.services.identity.json.admin_client import AdminClientJSON
+from tempest.services.identity.json.admin_client import TokenClientJSON
+from tempest.services.identity.xml.admin_client import AdminClientXML
+from tempest.services.identity.xml.admin_client import TokenClientXML
+from tempest.services.image import service as image_service
+from tempest.services.network.json.network_client import NetworkClient
 from tempest.services.object_storage.account_client import AccountClient
 from tempest.services.object_storage.container_client import ContainerClient
 from tempest.services.object_storage.object_client import ObjectClient
-from tempest.services.boto.clients import APIClientEC2
-from tempest.services.boto.clients import ObjectClientS3
-from tempest.services.compute.json.quotas_client import QuotasClient
+from tempest.services.volume.json.volumes_client import VolumesClientJSON
+from tempest.services.volume.xml.volumes_client import VolumesClientXML
 
 LOG = logging.getLogger(__name__)