diff --git a/app/modules/roxywi/auth.py b/app/modules/roxywi/auth.py
index 636c0329..f6527d2b 100644
--- a/app/modules/roxywi/auth.py
+++ b/app/modules/roxywi/auth.py
@@ -52,7 +52,6 @@ def is_admin(level=1, **kwargs):
             role = user_sql.get_user_role_by_uuid(user_id, group_id)
         except Exception:
             role = 4
-            pass
     try:
         return True if int(role) <= int(level) else False
     except Exception:
@@ -84,13 +83,13 @@ def check_in_ldap(user, password):
         ldap_bind.protocol_version = ldap.VERSION3
         ldap_bind.set_option(ldap.OPT_REFERRALS, 0)
 
-        bind = ldap_bind.simple_bind_s(root_user, root_password)
+        _ = ldap_bind.simple_bind_s(root_user, root_password)
 
         criteria = "(&(objectClass=" + ldap_class_search + ")(" + ldap_user_attribute + "=" + user + "))"
         attributes = [ldap_search_field]
         result = ldap_bind.search_s(ldap_base, ldap.SCOPE_SUBTREE, criteria, attributes)
 
-        bind = ldap_bind.simple_bind_s(result[0][0], password)
+        _ = ldap_bind.simple_bind_s(result[0][0], password)
     except ldap.INVALID_CREDENTIALS:
         return False
     except ldap.SERVER_DOWN:
@@ -116,6 +115,8 @@ def do_login(user_uuid: str, user_group: str, user: str, next_url: str):
         session_ttl = sql.get_setting('session_ttl')
     except Exception:
         session_ttl = 5
+    if session_ttl is None:
+        session_ttl = 5
 
     if next_url:
         redirect_to = f'https://{request.host}{next_url}'
diff --git a/app/modules/service/installation.py b/app/modules/service/installation.py
index 743b0479..908a2ca4 100644
--- a/app/modules/service/installation.py
+++ b/app/modules/service/installation.py
@@ -176,7 +176,7 @@ def generate_service_inv(json_data: json, installed_service: str) -> object:
 	is_docker = json_data['services'][installed_service]['docker']
 
 	if installed_service == 'nginx' and not os.path.isdir('/var/www/haproxy-wi/app/scripts/ansible/roles/nginxinc.nginx'):
-		os.system('ansible-galaxy install nginxinc.nginx,0.24.2 --roles-path /var/www/haproxy-wi/app/scripts/ansible/roles/')
+		os.system('ansible-galaxy install nginxinc.nginx,0.24.1 --roles-path /var/www/haproxy-wi/app/scripts/ansible/roles/')
 
 	for k, v in json_data['servers'].items():
 		server_ip = v['ip']