Fix linter errors

Change-Id: Ifed6a818868943c19bbdb3620582c2f2aca3b937

doc/source/conf.py

@@ -231,7 +231,7 @@ latex_elements = {
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
     (master_doc, 'doc-' + target_name + '.tex',
-     title.replace("_", "\_"), author, 'manual'),
+     title.replace("_", r"\_"), author, 'manual'),
 ]
 
 latex_use_xindy = False

tasks/lxc_install_dnf.yml

@@ -16,7 +16,7 @@
 - name: Ensure createrepo package is installed
   yum:
     name: createrepo
-    state: latest
+    state: present
 
 - name: Deploy upstream COPR yum repo for lxc 3
   yum_repository:

tasks/main.yml

@@ -14,11 +14,11 @@
 # limitations under the License.
 
 - name: Check for the presence of a public key file on the deployment host
-  local_action:
-    module: stat
+  stat:
     path: /root/.ssh/id_rsa.pub
   register: _ssh_key
   when: lxc_container_ssh_key is undefined
+  delegate_to: localhost
   tags:
     - always
 

templates/lxc-image-fetch-url.py.j2

@@ -116,5 +116,6 @@ def main():
     )
     print(container_url)
 
+
 if __name__ == '__main__':
     main()

tests/test.yml

@@ -124,5 +124,5 @@
           - sysctl_conf is search('fs.inotify.max_user_instances.*')
           - "lxc_bridge_file.stat.exists"
           - lxcbr0_facts.ansible_facts.ansible_lxcbr0.ipv4.address is match('10.100.100.1')
-          - extra_host_package_state.changed == false
+          - extra_host_package_state is not changed
           - extra_cache_package_find.matched > 0