old_contents: from werkzeug.routing import BaseConverter
  
  
  class RegexConverter(BaseConverter):
      def __init__(self, url_map, *items):
          super(RegexConverter, self).__init__(url_map)
          self.regex = items[0]
  
  
  def strip_accents(s):
      s = unicode(s)
      return ''.join((c for c in unicodedata.normalize('NFD', s) if unicodedata.category(c) != 'Mn'))
  
  
  def _urlify_name(name):
      """Converts a name or title into something we can put into a URI.
      
      This is designed to only be for one way usage (ie. we can't use the
      urlified names to figure out what photo or photoset we are talking about).
      """
      return re.sub(r'\W+', '-', name).strip('-') or 'Untitled'
  
  
  def urlify_name(name):
      return _urlify_name(strip_accents(name).encode('ascii', 'ignore'))
  
  
  class NameConverter(BaseConverter):
  
      def to_python(self, value):
          return value
  
      def to_url(self, value):
          if not isinstance(value, str) and hasattr(value, 'name'):
              value = value.name
          return urlify_name(str(value)).lower()
  
  
  def setup_routing(app):
      app.url_map.converters['re'] = RegexConverter
      app.url_map.converters['name'] = NameConverter
  
  
new_contents: import re
  import unicodedata
  
  from werkzeug.routing import BaseConverter
  
  
  class RegexConverter(BaseConverter):
      def __init__(self, url_map, *items):
          super(RegexConverter, self).__init__(url_map)
          self.regex = items[0]
  
  
  def strip_accents(s):
      s = unicode(s)
      return ''.join((c for c in unicodedata.normalize('NFD', s) if unicodedata.category(c) != 'Mn'))
  
  
  def _urlify_name(name):
      """Converts a name or title into something we can put into a URI.
      
      This is designed to only be for one way usage (ie. we can't use the
      urlified names to figure out what photo or photoset we are talking about).
      """
      return re.sub(r'\W+', '-', name).strip('-') or 'Untitled'
  
  
  def urlify_name(name):
      return _urlify_name(strip_accents(name).encode('ascii', 'ignore'))
  
  
  class NameConverter(BaseConverter):
  
      def to_python(self, value):
          return value
  
      def to_url(self, value):
          if not isinstance(value, str) and hasattr(value, 'name'):
              value = value.name
          return urlify_name(str(value)).lower()
  
  
  def setup_routing(app):
      app.url_map.converters['re'] = RegexConverter
      app.url_map.converters['name'] = NameConverter
  
  
subject: Fix imports