docs: def _format_changes(changes, orchestration=False):
      '''
      Format the changes dict based on what the data is
      '''
      if not changes:
          return False, ''
  
      if orchestration:
          return True, _nested_changes(changes)
  
      if not isinstance(changes, dict):
          return True, 'Invalid Changes data: {0}'.format(changes)
  
      ret = changes.get('ret')
      if ret is not None and changes.get('out') == 'highstate':
          ctext = ''
          changed = False
          for host, hostdata in six.iteritems(ret):
              s, c = _format_host(host, hostdata)
              ctext += '\n' + '\n'.join((' ' * 14 + l) for l in s.splitlines())
              changed = changed or c
      else:
          changed = True
          ctext = _nested_changes(changes)
      return changed, ctext