code: def server(description=None, **kwargs):
      '''Create the :class:`.WSGIServer` running :func:`hello`.'''
      description = description or 'Pulsar Hello World Application'
      return wsgi.WSGIServer(hello, description=description, **kwargsf server(description=None, **kwargs):
      '''Create the :class:`.WSGIServer` running :func:`hello`.'''
      description = description or 'Pulsar Hello World Application'
      return wsgi.WSGIServer(hello, description=description, **kwargs)
docs: Create the :class:`.WSGIServer` running :func:`hello`.