ansible-playbooks/general#72 Always use import_tasks or include_tasks instead of just include

tasks/main.yml

@@ -7,7 +7,7 @@
 
 - block:
 
-  - include: install.yml
+  - import_tasks: install.yml
 
   - name: 'Remember that this role had been run'
     set_fact: role_wkhtmltopdf_completed=true