Get group fix,flake8 errors fix,readme and config fix
diff --git a/cvp_checks/tests/test_k8s.py b/cvp_checks/tests/test_k8s.py
index d7aed4b..2ff3383 100644
--- a/cvp_checks/tests/test_k8s.py
+++ b/cvp_checks/tests/test_k8s.py
@@ -1,6 +1,7 @@
 import pytest
 import json
 
+
 def test_k8s_get_cs_status(local_salt_client):
     result = local_salt_client.cmd(
         'etcd:server', 'cmd.run',
@@ -17,11 +18,11 @@
                 continue
             else:
                 if 'Healthy' not in line:
-                    errors.append (line)
+                    errors.append(line)
         break
     assert not errors, 'k8s is not healthy: {}'.format(json.dumps(
-                                                             errors,
-                                                             indent=4))
+                                                       errors,
+                                                       indent=4))
 
 
 def test_k8s_get_nodes_status(local_salt_client):
@@ -40,8 +41,8 @@
                 continue
             else:
                 if 'Ready' not in line:
-                    errors.append (line)
+                    errors.append(line)
         break
     assert not errors, 'k8s is not healthy: {}'.format(json.dumps(
-                                                             errors,
-                                                             indent=4))
+                                                       errors,
+                                                       indent=4))