old_contents: #!/usr/bin/env python
  
  """
  Per kobotoolbox/kobo-docker#301, we have changed the uWSGI port to 8001. This
  provides a helpful message to anyone still trying to use port 8000
  """
  
  import BaseHTTPServer
  import sys
  
  class Handler(BaseHTTPServer.BaseHTTPRequestHandler):
      def do_GET(self):
          self.send_response(503)
          self.end_headers()
          self.wfile.write(
              'Your development environment is trying to connect to the KoBoCAT '
              'container on port 8000 instead of 8001. Please change this. See '
              'https://github.com/kobotoolbox/kobo-docker/issues/301 '
              'for more details.'
          )
  
  server_address = ('', int(sys.argv[1]))
  httpd = BaseHTTPServer.HTTPServer(server_address, Handler)
  httpd.serve_forever()
  
new_contents: #!/usr/bin/env python
  
  """
  Per kobotoolbox/kobo-docker#301, we have changed the uWSGI port to 8001. This
  provides a helpful message to anyone still trying to use port 8000
  """
  
  import sys
  from http.server import BaseHTTPRequestHandler, HTTPServer
  
  
  class Handler(BaseHTTPRequestHandler):
      def do_GET(self):
          self.send_response(503)
          self.end_headers()
          self.wfile.write(
              b'Your development environment is trying to connect to the KoBoCAT '
              b'container on port 8000 instead of 8001. Please change this. See '
              b'https://github.com/kobotoolbox/kobo-docker/issues/301 '
              b'for more details.'
          )
  
  
  server_address = ('', int(sys.argv[1]))
  httpd = HTTPServer(server_address, Handler)
  httpd.serve_forever()
  
subject: Update wront port script to Python3