conditional statements should not include jinja2 templating delimiters such as {{ }} or {% %}

[fohte]

[DEPRECATION WARNING]: evaluating is_debian as a bare variable, this behaviour 
will go away and you might need to add |bool to the expression in the future. 
Also see CONDITIONAL_BARE_VARS configuration toggle.. This feature will be 
removed in version 2.12. Deprecation warnings can be disabled by setting 
deprecation_warnings=False in ansible.cfg.
 [WARNING]: conditional statements should not include jinja2 templating
delimiters such as {{ }} or {% %}. Found: {{ ansible_os_family == "Debian" }}