old_contents: import os
  import tornado.web
  
  class GuiPlugin(tornado.web.StaticFileHandler):
  
      def initialize(self):
          # Ignore 'path'.
          print(os.path.join(os.getcwd(), 'plugins', 'gui', 'frontend', 'gosa', 'build'))
          super(GuiPlugin, self).initialize(path=os.path.join(os.getcwd(), 'plugins', 'gui', 'frontend', 'gosa', 'build'))
  
      def get(self, path, include_body=True):
          if not path:
              path = "index.html"
          super(GuiPlugin, self).get(path, include_body)
new_contents: import os
  import tornado.web
  
  class GuiPlugin(tornado.web.StaticFileHandler):
  
      def initialize(self):
          super(GuiPlugin, self).initialize(path=os.path.join(os.getcwd(), 'plugins', 'gui', 'frontend', 'gosa', 'build'))
  
      def get(self, path, include_body=True):
          if not path:
              path = "index.html"
          super(GuiPlugin, self).get(path, include_body)
subject: remove debugging output