old_contents: from routes.index import index
  from routes.project_page import project
  from routes.user_overview import user_overview
  from routes.project_overview import group_overview, series_overview
  from routes.login import login
  
  
  def setup_routes(app):
      """
      Sets up all the routes for the webapp.
  
      :param app:
      :return:
      """
      app.router.add_get('/', index)
      app.router.add_post('/login', login)
      app.router.add_get('/user_overview', user_overview)
      app.router.add_get('/projects/', group_overview)
      app.router.add_get('/projects/legacy/{group_series}/{group_part}', group_overview)
      app.router.add_get('/projects/legacy/{group_series}/', series_overview)
      app.router.add_get('/users/{user_name}/{project_name}', project)
  
new_contents: from routes.index import index
  from routes.project_page import project
  from routes.user_overview import user_overview
  from routes.project_overview import group_overview, series_overview
  from routes.login import login
  
  
  def setup_routes(app):
      """
      Sets up all the routes for the webapp.
  
      :param app:
      :return:
      """
      app.router.add_get('/', index)
      app.router.add_post('/login', login)
      app.router.add_get('/user_overview', user_overview)
      app.router.add_get('/projects/', group_overview)
      app.router.add_get('/projects/legacy/{group_series}/{group_part}', group_overview)
      app.router.add_get('/projects/legacy/{group_series}/', series_overview)
      app.router.add_get('/projects/{project_name}', project)
  
subject: Rename route '/users/{user_name}/{project_name}' to '/projects/{project_name}'