docs: def user_exists_in_group(user_name, group_name, region=None, key=None, keyid=None,
                           profile=None):
      '''
      Check if user exists in group.
  
      .. versionadded:: 2015.8.0
  
      CLI Example:
  
      .. code-block:: bash
  
          salt myminion boto_iam.user_exists_in_group myuser mygroup
      '''
      # TODO this should probably use boto.iam.get_groups_for_user
      users = get_group_members(
          group_name=group_name, region=region, key=key, keyid=keyid,
          profile=profile
      )
      if users:
          for _user in users:
              if user_name == _user['user_name']:
                  log.debug('IAM user %s is already in IAM group %s.', user_name, group_name)
                  return True
      return False