docs: def save_inventory(inventory, hosts_file=HOSTS_FILE):
      '''Saves Ansible inventory to file.
  
      Parameters
      ----------
      inventory: ConfigParser.SafeConfigParser
          content of the `hosts_file`
      hosts_file: str, optional
          path to Ansible hosts file
      '''
      with open(hosts_file, 'w') as f:
          inventory.write(f)