old_contents: from BackEnd.src.Views import *
  
  
  if __name__ == "__main__":
      host = app.config['HOST']
      port = app.config['PORT']
      app.run(host=host, port=port)
      # app.run(processes=10)
  
new_contents: from BackEnd.src.Views import *
  
  
  if __name__ == "__main__":
      host = app.config['HOST']
      port = app.config['PORT']
      app.run(host=host, port=port, threaded=True)
      app.run(processes=10)
  
subject: update threader