diff --git a/app/jobs.py b/app/jobs.py
index 3d3240ca..6c7c9ba8 100644
--- a/app/jobs.py
+++ b/app/jobs.py
@@ -93,4 +93,3 @@ def delete_ansible_artifacts():
                 shutil.rmtree(f'{ansible_path}/{folder}')
             except Exception as e:
                 raise Exception(f'error: Cron cannot delete ansible folders: {e}')
-
diff --git a/app/modules/db/sql.py b/app/modules/db/sql.py
index afee9126..4eac9ccf 100755
--- a/app/modules/db/sql.py
+++ b/app/modules/db/sql.py
@@ -4509,7 +4509,7 @@ def update_ha_virt_ip(vip_id: int, vip: str) -> None:
 def delete_ha_virt(vip_id: int) -> None:
 	try:
 		Server.delete().where(Server.server_id == HaClusterVirt.get(HaClusterVirt.vip_id == vip_id).virt_id).execute()
-	except Exception as e:
+	except Exception:
 		pass
 
 
diff --git a/app/modules/service/ha_cluster.py b/app/modules/service/ha_cluster.py
index 591f37e7..ec591360 100644
--- a/app/modules/service/ha_cluster.py
+++ b/app/modules/service/ha_cluster.py
@@ -14,7 +14,7 @@ def create_cluster(cluster: object, group_id: int) -> str:
 
     try:
         cluster_id = sql.create_cluster(cluster['name'], syn_flood, group_id, cluster['desc'])
-        roxywi_common.logging(cluster_id, f'New cluster has been created', keep_history=1, roxywi=1, service='HA cluster')
+        roxywi_common.logging(cluster_id, 'New cluster has been created', keep_history=1, roxywi=1, service='HA cluster')
     except Exception as e:
         return f'error: Cannot create new HA cluster: {e}'
 
@@ -115,13 +115,13 @@ def delete_cluster(cluster_id: int) -> str:
     slaves = sql.select_cluster_slaves(cluster_id)
 
     for slave in slaves:
-        slave_ip = select_server_ip_by_id(slave.server_id)
+        slave_ip = sql.select_server_ip_by_id(slave.server_id)
         try:
             sql.update_server_master(0, slave_ip)
         except Exception as e:
             raise Exception(f'error: Cannot update master on slave {slave_ip}: {e}')
 
-    roxywi_common.logging(cluster_id, f'Cluster {cluster_name} has been deleted', keep_history=1, roxywi=1, service='HA cluster')
+    roxywi_common.logging(cluster_id, f'Cluster has been deleted', keep_history=1, roxywi=1, service='HA cluster')
 
     return 'ok'
 
diff --git a/app/modules/service/installation.py b/app/modules/service/installation.py
index 4f406c45..5ebdada6 100644
--- a/app/modules/service/installation.py
+++ b/app/modules/service/installation.py
@@ -185,7 +185,7 @@ def grafana_install():
 
 def generate_kp_inv(json_data: json, install_service) -> object:
 	json_data = json.loads(json_data)
-	inv = {"server": {"hosts":{}}}
+	inv = {"server": {"hosts": {}}}
 	server_ips = []
 	cluster_id = int(json_data['cluster_id'])
 	haproxy = json_data['services']['haproxy']['enabled']
diff --git a/app/modules/service/keepalived.py b/app/modules/service/keepalived.py
index 4bb6a4c0..5fe3b9a7 100644
--- a/app/modules/service/keepalived.py
+++ b/app/modules/service/keepalived.py
@@ -13,8 +13,8 @@ def get_status(server_ip: str) -> tuple:
         for k in out.split():
             out1.append(k)
         h = (out1,)
-        servers_with_status1= h
-        servers_with_status2= h
+        servers_with_status1 = h
+        servers_with_status2 = h
     except Exception:
         servers_with_status1 = h
         servers_with_status2 = h
diff --git a/app/routes/ha/routes.py b/app/routes/ha/routes.py
index f0bed7c5..c4fc6ea1 100644
--- a/app/routes/ha/routes.py
+++ b/app/routes/ha/routes.py
@@ -3,7 +3,6 @@ import json
 from flask import render_template, g, request, jsonify
 from flask_login import login_required
 
-from app import app
 from app.routes.ha import bp
 from middleware import get_user_params, check_services
 import modules.db.sql as sql
diff --git a/app/routes/install/routes.py b/app/routes/install/routes.py
index ab93b32b..45847376 100644
--- a/app/routes/install/routes.py
+++ b/app/routes/install/routes.py
@@ -1,4 +1,4 @@
-from flask import render_template, request, g, abort
+from flask import render_template, request, g
 from flask_login import login_required
 
 from app.routes.install import bp
@@ -6,7 +6,6 @@ from middleware import get_user_params, check_services
 import app.modules.db.sql as sql
 import app.modules.common.common as common
 import app.modules.roxywi.auth as roxywi_auth
-import app.modules.roxywi.common as roxywi_common
 import app.modules.server.server as server_mod
 import app.modules.service.common as service_common
 import app.modules.service.installation as service_mod
diff --git a/config_other/requirements_el7.txt b/config_other/requirements_el7.txt
index 6f2fdef6..4488015f 100644
--- a/config_other/requirements_el7.txt
+++ b/config_other/requirements_el7.txt
@@ -17,4 +17,4 @@ python3-nmap<=1.5.1
 aio-pika>=7.1.0
 pika>=1.2.0
 websockets>=9.0
-ansible-runner==2.3.2
+ansible-runner==2.3.1
diff --git a/config_other/requirements_el8.txt b/config_other/requirements_el8.txt
index de3190ad..a332f889 100644
--- a/config_other/requirements_el8.txt
+++ b/config_other/requirements_el8.txt
@@ -18,4 +18,4 @@ python3-nmap<=1.5.1
 aio-pika>=7.1.0
 pika>=1.2.0
 websockets>=9.0
-ansible-runner==2.3.2
+ansible-runner==2.3.1
diff --git a/config_other/requirements_el9.txt b/config_other/requirements_el9.txt
index 086d50f8..36b19b4f 100644
--- a/config_other/requirements_el9.txt
+++ b/config_other/requirements_el9.txt
@@ -18,4 +18,4 @@ aio-pika>=7.1.0
 pika>=1.2.0
 websockets>=9.0
 tzlocal==2.0.0
-ansible-runner==2.3.2
+ansible-runner==2.3.1
diff --git a/requirements.txt b/requirements.txt
index 9862767e..ecd03fbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,4 +21,4 @@ Flask==2.2.5
 Flask-Login==0.6.2
 Flask-APScheduler==1.13.0
 Flask-Caching==2.1.0
-ansible-runner==2.3.2
+ansible-runner==2.3.1