diff --git a/tcp_tests/managers/k8smanager.py b/tcp_tests/managers/k8smanager.py
index 12dd2dc..6394141 100644
--- a/tcp_tests/managers/k8smanager.py
+++ b/tcp_tests/managers/k8smanager.py
@@ -289,15 +289,17 @@
             ns = self.api.namespaces.get(name=name)
             LOG.info("Namespace '{0}' is already exists".format(ns.name))
         except ApiException as e:
-          if hasattr(e,"status") and 404 == e.status:
-            LOG.info("Creating Namespace in k8s cluster")
-            ns = self.api.namespaces.create(body={'metadata': {'name': name}})
-            LOG.info("Namespace '{0}' is created".format(ns.name))
-            # wait 10 seconds until a token for new service account is created
-            time.sleep(10)
-            ns = self.api.namespaces.get(name=ns.name)
-          else:
-            raise
+            if hasattr(e, "status") and 404 == e.status:
+                LOG.info("Creating Namespace in k8s cluster")
+                ns = self.api.namespaces.create(
+                    body={'metadata': {'name': name}})
+                LOG.info("Namespace '{0}' is created".format(ns.name))
+                # wait 10 seconds until a token for new service account
+                # is created
+                time.sleep(10)
+                ns = self.api.namespaces.get(name=ns.name)
+            else:
+                raise
         return ns
 
     def create_objects(self, path):
@@ -409,7 +411,6 @@
         cmd = "apt install jq -y"
         return self.__underlay.check_call(cmd, node_name=self.ctl_host)
 
-
     def git_clone(self, project, target):
         cmd = "git clone {0} {1}".format(project, target)
         return self.__underlay.check_call(cmd, node_name=self.ctl_host)
@@ -494,4 +495,4 @@
         cmd = ("~/virtlet/examples/virsh.sh domblklist {} | "
                "tail -n +3 | awk {{'print $2'}}".format(domain_id))
         result = self.__underlay.check_call(cmd, node_name=self.ctl_host)
-        return result['stdout'].strip()
\ No newline at end of file
+        return result['stdout'].strip()
diff --git a/tcp_tests/managers/sl_manager.py b/tcp_tests/managers/sl_manager.py
index 2f76306..d66ee67 100644
--- a/tcp_tests/managers/sl_manager.py
+++ b/tcp_tests/managers/sl_manager.py
@@ -90,7 +90,7 @@
             cmd = ("cd {0}; "
                    "export VOLUME_STATUS='available'; "
                    "pytest -k 'not {1}' {2}".format(
-                tests_path, skip_tests, test_to_run))
+                       tests_path, skip_tests, test_to_run))
         else:
             cmd = ("cd {0}; "
                    "export VOLUME_STATUS='available'; "
@@ -112,12 +112,12 @@
             cmd = ("cd {0}; "
                    "export VOLUME_STATUS='available'; "
                    "pytest  --json=report.json -k 'not {1}' {2}".format(
-                tests_path, skip_tests, test_to_run))
+                       tests_path, skip_tests, test_to_run))
         else:
             cmd = ("cd {0}; "
                    "export VOLUME_STATUS='available'; "
                    "pytest --json=report.json -k {1}".format(
-                tests_path, test_to_run))
+                       tests_path, test_to_run))
         with self.__underlay.remote(node_name=target_node_name[0]) \
                 as node_remote:
             LOG.debug("Run {0} on the node {1}".format(
@@ -165,7 +165,7 @@
         prometheus_client = self.api
         try:
             current_targets = prometheus_client.get_targets()
-        except:
+        except Exception:
             LOG.info('Restarting keepalived service on mon nodes...')
             for node in nodes:
                 self._salt.local(tgt=node, fun='cmd.run',
diff --git a/tcp_tests/managers/underlay_ssh_manager.py b/tcp_tests/managers/underlay_ssh_manager.py
index ad3e4ad..8b3da06 100644
--- a/tcp_tests/managers/underlay_ssh_manager.py
+++ b/tcp_tests/managers/underlay_ssh_manager.py
@@ -418,27 +418,28 @@
         tar_cmd = ('tar --absolute-names'
                    ' --warning=no-file-changed '
                    '-czf {t} {d}'.format(
-            t='{0}_log.tar.gz'.format(artifact_name), d='/var/log'))
+                       t='{0}_log.tar.gz'.format(artifact_name), d='/var/log'))
         minion_nodes = [ssh for ssh in self.config_ssh
                         if node_role not in ssh['roles']]
         for node in minion_nodes:
             try:
                 with self.remote(host=node['host']) as r_node:
-                    r_node.check_call(('tar '
-                                       '--absolute-names '
-                                       '--warning=no-file-changed '
-                                       '-czf {t} {d}'.format(
-                        t='{0}.tar.gz'.format(node['node_name']),
-                        d='/var/log')),
-                        verbose=True, raise_on_err=False)
-            except:
+                    r_node.check_call((
+                        'tar '
+                        '--absolute-names '
+                        '--warning=no-file-changed '
+                        '-czf {t} {d}'.format(
+                            t='{0}.tar.gz'.format(node['node_name']),
+                            d='/var/log')),
+                            verbose=True, raise_on_err=False)
+            except Exception:
                 LOG.info("Can not ssh for node {}".format(node))
         with self.remote(master_node['node_name']) as r:
             for node in minion_nodes:
                 packages_minion_cmd = ("salt '{0}*' cmd.run "
                                        "'dpkg -l' > /var/log/"
                                        "{0}_packages.output".format(
-                    node['node_name']))
+                                           node['node_name']))
                 r.check_call(packages_minion_cmd)
                 r.check_call("rsync {0}:/root/*.tar.gz "
                              "/var/log/".format(node['node_name']),