Fix H* and W* pep8 warnings

List of fixed warnings:
H302, H802, W293, W391, W292

Change-Id: I3fb92623c44c0283c314654a4f84f97c515968f5
Reviewed-on: https://review.gerrithub.io/379377
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/tests/system/test_install_k8s.py b/tcp_tests/tests/system/test_install_k8s.py
index fa55d1b..fff3100 100644
--- a/tcp_tests/tests/system/test_install_k8s.py
+++ b/tcp_tests/tests/system/test_install_k8s.py
@@ -104,7 +104,7 @@
             LOG.debug('Metric {} exists'.format(res))
             # todo (tleontovich) add asserts here and extend the tests
             # with acceptance criteria
-        
+
         if config.k8s.k8s_conformance_run:
             k8s_actions.run_conformance()
         LOG.info("*************** DONE **************")
@@ -123,4 +123,4 @@
         """
         if config.k8s.k8s_conformance_run:
             k8s_actions.run_conformance()
-        LOG.info("*************** DONE **************")
\ No newline at end of file
+        LOG.info("*************** DONE **************")