fix guideline errors

tasks/config.yml

@@ -10,7 +10,7 @@
         table: '{{ item.table|default(omit) }}'
       with_items: '{{ iptables_custom_rules }}'
       loop_control:
-        label: "{{item.name}}"
+        label: "{{ item.name }}"
       tags: iptables
 
     - name: Set default iptables head rules
@@ -27,7 +27,7 @@
         name: iptables_default_tail
         weight: 99
         keep_unmanaged: '{{ iptables_keep_unmanaged }}'
-        state: '{{ (iptables_default_tail != "" ) | ternary("present", "absent") }}'
+        state: '{{ (not iptables_default_tail) | ternary("absent", "present") }}'
         rules: '{{ iptables_default_tail }}'
       tags: iptables
   become: True

tasks/install.yml

@@ -4,7 +4,7 @@
     - name: Install packages
       package:
         name: "{{ iptables_package }}"
-        state: latest
+        state: present
 
     - name: Enable and start service
       service: