diff --git a/tcp_tests/fixtures/opencontrail_fixtures.py b/tcp_tests/fixtures/opencontrail_fixtures.py
index a00acc7..4224211 100644
--- a/tcp_tests/fixtures/opencontrail_fixtures.py
+++ b/tcp_tests/fixtures/opencontrail_fixtures.py
@@ -29,4 +29,3 @@
     """
     return opencontrail_manager.OpenContrailManager(config, underlay,
                                                     openstack_deployed)
-
diff --git a/tcp_tests/managers/sl_manager.py b/tcp_tests/managers/sl_manager.py
index ee835ff..07a1302 100644
--- a/tcp_tests/managers/sl_manager.py
+++ b/tcp_tests/managers/sl_manager.py
@@ -144,5 +144,3 @@
         for entry in current_targets:
             assert 'up' in entry['health'], \
                 'Next target is down {}'.format(entry)
-
-
diff --git a/tcp_tests/managers/virtlet_ceph_manager.py b/tcp_tests/managers/virtlet_ceph_manager.py
index 5a79cf2..28f3dad 100644
--- a/tcp_tests/managers/virtlet_ceph_manager.py
+++ b/tcp_tests/managers/virtlet_ceph_manager.py
@@ -31,4 +31,4 @@
         self.execute_commands(
             commands,
             label='Install One-node Ceph cluster in docker container')
-        self.__config.virtlet.ceph_installed = True
\ No newline at end of file
+        self.__config.virtlet.ceph_installed = True
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 **************")