pep8: Add 'application-import-names = ironic_inspector'

Add 'application-import-names = ironic_inspector' to tox.ini.

Update files which failed pep8.

Change-Id: Ib908b75ac2bf262773978be62e11f973f9eba0d2
diff --git a/ironic_tempest_plugin/tests/test_basic.py b/ironic_tempest_plugin/tests/test_basic.py
index bae615e..536b853 100644
--- a/ironic_tempest_plugin/tests/test_basic.py
+++ b/ironic_tempest_plugin/tests/test_basic.py
@@ -10,12 +10,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from ironic_tempest_plugin.tests.scenario import baremetal_manager
 from tempest.config import CONF
 from tempest.lib import decorators
 from tempest import test  # noqa
 
 from ironic_inspector.test.inspector_tempest_plugin.tests import manager
-from ironic_tempest_plugin.tests.scenario import baremetal_manager
 
 
 class InspectorBasicTest(manager.InspectorScenarioTest):