RBP ignore

gistfile1.rb

  def update
    @membership = Membership.find(params[:id]) # this line sits in before_filter
    raise ActiveRecord::RecordNotFound unless @membership.group_owner == current_user # ignore_rbp
    is_admin = params[:membership] && params[:membership][:is_admin]
    @membership.update_attribute(:is_admin, is_admin) unless is_admin.nil?
    redirect_to @membership.group
  end

# RBP advices to use scope access on the second line of the method, but it's impossible in my model, 
# so I've added the comment that makes RBP ignore that error