text: from bokeh.server.server import Server
  from bokeh.application import Application
  from bokeh.application.handlers.function import FunctionHandler
  from bokeh.plotting import figure, ColumnDataSource
  import tornado.ioloop
  
  def make_document(doc):
      fig = figure(title='Line plot!', sizing_mode='scale_width')
      fig.line(x=[1, 2, 3], y=[1, 4, 9])
  
      doc.title = "Hello, world!"
      doc.add_root(fig)
  
  apps = {'/': Application(FunctionHandler(make_document))}
  
  server = Server(apps, port=5000)
  server.start()
  tornado.ioloop.IOLoop.current().start()
  