old_contents: # Copyright (c) Jupyter Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from jupyterlab_server import LabServerApp, LabConfig
  from notebook.utils import url_path_join as ujoin
  import os
  from traitlets import Unicode, default
  
  HERE = os.path.dirname(__file__)
  
  # Turn off the Jupyter configuration system so configuration files on disk do
  # not affect this app. This helps this app to truly be standalone.
  os.environ["JUPYTER_NO_CONFIG"]="1"
  
  class ExampleApp(LabServerApp):
  
      default_url = Unicode('/example',
                            help='The default URL to redirect to from `/`')
  
      lab_config = LabConfig(
          app_name = 'JupyterLab Example App',
          app_settings_dir = os.path.join(HERE, 'build', 'application_settings'),
          page_url = 'example',
          schemas_dir = os.path.join(HERE, 'build', 'schemas'),
          settings_dir = os.path.join(HERE, 'build', 'settings'),
          static_dir = os.path.join(HERE, 'build'),
          templates_dir = os.path.join(HERE, 'templates'),
          themes_dir = os.path.join(HERE, 'build', 'themes'),
          user_settings_dir = os.path.join(HERE, 'build', 'user_settings'),
          workspaces_dir = os.path.join(HERE, 'build', 'workspaces'),
      )
  
      def start(self):
          settings = self.web_app.settings
  
          # By default, make terminals available.
          settings.setdefault('terminals_available', True)
  
          super().start()
  
  if __name__ == '__main__':
      ExampleApp.launch_instance()
  
new_contents: # Copyright (c) Jupyter Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from jupyterlab_server import LabServerApp, LabConfig
  from notebook.utils import url_path_join as ujoin
  import os
  from traitlets import Unicode
  
  HERE = os.path.dirname(__file__)
  
  # Turn off the Jupyter configuration system so configuration files on disk do
  # not affect this app. This helps this app to truly be standalone.
  os.environ["JUPYTER_NO_CONFIG"]="1"
  
  class ExampleApp(LabServerApp):
  
      default_url = Unicode('/example',
                            help='The default URL to redirect to from `/`')
  
      lab_config = LabConfig(
          app_name = 'JupyterLab Example App',
          app_settings_dir = os.path.join(HERE, 'build', 'application_settings'),
          page_url = 'example',
          schemas_dir = os.path.join(HERE, 'build', 'schemas'),
          settings_dir = os.path.join(HERE, 'build', 'settings'),
          static_dir = os.path.join(HERE, 'build'),
          templates_dir = os.path.join(HERE, 'templates'),
          themes_dir = os.path.join(HERE, 'build', 'themes'),
          user_settings_dir = os.path.join(HERE, 'build', 'user_settings'),
          workspaces_dir = os.path.join(HERE, 'build', 'workspaces'),
      )
  
      def start(self):
          settings = self.web_app.settings
  
          # By default, make terminals available.
          settings.setdefault('terminals_available', True)
  
          super().start()
  
  if __name__ == '__main__':
      ExampleApp.launch_instance()
  
subject: remove unused import