# File lib/rubygems/version.rb, line 138
  def normalize
    parts_arr = parse_parts_from_version_string
    if parts_arr.length != 1
      parts_arr.pop while parts_arr.last && parts_arr.last.value == 0
      parts_arr = [Part.new(0)] if parts_arr.empty?
    end
    parts_arr
  end