ansible-lint checks playbooks for practices and behaviour that could potentially be improved. As a community backed project ansible-lint supports only the last two major versions of Ansible.

Installation Steps:

1. Open Terminal using Spotlight search by pressing  <command+space>.
   Type terminal and hit  Enter key.
2. Now, run
   ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)” < /dev/null 2> /dev/null
3. Install ansible-lint using brew
   brew install ansible-lint

ansible-lint is ready to use now!