fixed linter warnings

tasks/main.yml

@@ -1,5 +1,5 @@
 ---
-  - name: copy sshd config
+- name: copy sshd config
   template:
     src: ssh_sshd_config.j2
     dest: "{{ rootpath }}/etc/ssh/sshd_config"
@@ -7,38 +7,38 @@
     mode: 0644
   register: ssh_config
 
-  - name: copy ssh config
+- name: copy ssh config
   template:
     src: ssh_config.j2
     dest: "{{ rootpath }}/etc/ssh/ssh_config"
     owner: root
     mode: 0644
 
-  - name: create ssh folder for user root
+- name: create ssh folder for user root
   file:
     path: "{{ rootpath }}/root/.ssh"
     state: directory
     owner: root
-      group: "{{root_group}}"
+    group: "{{ root_group }}"
     mode: 0700
 
-  - name: write authorized_keys file for user root
+- name: write authorized_keys file for user root
   template:
     src: ssh_root_authorized_keys.j2
     dest: "{{ rootpath }}/root/.ssh/authorized_keys"
     owner: root
-      group: "{{root_group}}"
+    group: "{{ root_group }}"
     mode: 0600
   when: admin_ssh_keys | length
 
-  - name: create ssh host keys
+- name: create ssh host keys
   shell: "prefix=\"{{ rootpath }}\"; ssh-keygen -N \"\" -t ed25519 -f \"${prefix}/etc/ssh/ssh_host_ed25519_key\"; ssh-keygen -N \"\" -b 4096 -t rsa -f \"${prefix}/etc/ssh/ssh_host_rsa_key\"; ssh-keygen -N \"\" -b 521 -t ecdsa -f \"${prefix}/etc/ssh/ssh_host_ecdsa_key\""
   args:
     creates: "{{ rootpath }}/etc/ssh/ssh_host_ed25519_key"
   register: ssh_hostkeys
 
-  - name: maybe restart sshd
+- name: maybe restart sshd
   meta: noop
-    changed_when: (ssh_hostkeys|changed or ssh_config|changed) and not rootpath == ''
+  changed_when: ( (ssh_hostkeys is changed) or (ssh_config is changed) ) and not rootpath
   notify:
   - restart sshd