# File lib/yadis/manager.rb, line 112
  def destroy_manager
    if self.get_manager
      begin
        @session.delete(@session_key)
      rescue
        # sometimes Hash like session objects don't have a delete
        # method.  We handle that case by assigning nil to the session[key]
        @session[@session_key] = nil
      end
    end
  end