class Github::Repos

def teams(user_name, repo_name, params={})
  _update_user_repo_params(user_name, repo_name)
  _validate_user_repo_params(user, repo) unless user? && repo?
  normalize! params
  response = get_request("/repos/#{user}/#{repo}/teams", params)
  return response unless block_given?
  response.each { |el| yield el }
end