old_contents: import os
  import sys
  from werkzeug.urls import url_quote, url_unquote
  from werkzeug.routing import PathConverter
  
  
  def data_filename(fname):
      basedir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
      if os.path.exists(os.path.join(basedir, 'labmanager_data', fname)):
          return os.path.join(basedir, 'labmanager_data', fname)
      if os.path.exists(os.path.join(sys.prefix, 'labmanager_data', fname)):
          return os.path.join(sys.prefix, 'labmanager_data', fname)
      elif os.path.exists(os.path.join(basedir, fname)):
          return os.path.abspath(os.path.join(basedir, fname))
      else:
          return fname
  
  
  class FullyQuotedUrlConverter(PathConverter):
      def to_python(self, value):
          return url_unquote(value)
  
      def to_url(self, value):
          return url_quote(value, self.map.charset, safe='')
  
new_contents: import os
  import sys
  from werkzeug.urls import url_quote, url_unquote
  from werkzeug.routing import PathConverter
  
  
  def data_filename(fname):
      basedir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
      if os.path.exists(os.path.join(basedir, 'labmanager_data', fname)):
          return os.path.join(basedir, 'labmanager_data', fname)
      if os.path.exists(os.path.join(sys.prefix, 'labmanager_data', fname)):
          return os.path.join(sys.prefix, 'labmanager_data', fname)
      elif os.path.exists(os.path.join(basedir, fname)):
          return os.path.abspath(os.path.join(basedir, fname))
      else:
          return fname
  
  
  class FullyQuotedUrlConverter(PathConverter):
      def to_python(self, value):
          return url_unquote(url_unquote(url_unquote(value)))
  
      def to_url(self, value):
          return url_quote(url_quote(url_quote(value, self.map.charset, safe=''), self.map.charset, safe=''), self.map.charset, safe='')
  
subject: Fix issue with URL routes