old_contents: """
  A WebSocket server that listens to EMDR and sends notifications to any
  connected users to light up systems.
  """
  import zlib
  import simplejson
  import gevent
  from gevent import pywsgi
  from gevent import monkey; gevent.monkey.patch_all()
  from gevent_zeromq import zmq
  from geventwebsocket.handler import WebSocketHandler
  
  def worker(market_str, ws):
      market_json = zlib.decompress(market_str)
      market_data = simplejson.loads(market_json)
  
      for rowset in market_data['rowsets']:
          for row in rowset['rows']:
              raw_system_id = row[10]
              if not raw_system_id:
                  continue
  
              system_id = str(int(raw_system_id))
              ws.send(system_id)
  
  def websocket_app(environ, start_response):
      context = zmq.Context()
      subscriber = context.socket(zmq.SUB)
  
      # Connect to the first publicly available relay.
      subscriber.connect('tcp://relay-linode-atl-1.eve-emdr.com:8050')
      # Disable filtering.
      subscriber.setsockopt(zmq.SUBSCRIBE, "")
  
      ws = environ["wsgi.websocket"]
  
      while True:
          gevent.spawn(worker, subscriber.recv(), ws)
          gevent.sleep(0.1)
  
  server = pywsgi.WSGIServer(
      ("", 8000),
      websocket_app,
      handler_class=WebSocketHandler
  )
  
  server.serve_forever()
new_contents: """
  A WebSocket server that listens to EMDR and sends notifications to any
  connected users to light up systems.
  """
  import zlib
  import simplejson
  import gevent
  from gevent import pywsgi
  from gevent import monkey; gevent.monkey.patch_all()
  from gevent_zeromq import zmq
  from geventwebsocket.handler import WebSocketHandler
  
  def worker(market_str, ws):
      market_json = zlib.decompress(market_str)
      market_data = simplejson.loads(market_json)
  
      for rowset in market_data['rowsets']:
          for row in rowset['rows']:
              raw_system_id = row[10]
              if not raw_system_id:
                  continue
  
              system_id = str(int(raw_system_id))
              ws.send(system_id)
  
  def websocket_app(environ, start_response):
      context = zmq.Context()
      subscriber = context.socket(zmq.SUB)
  
      # Connect to the first publicly available relay.
      subscriber.connect('tcp://relay-linode-atl-1.eve-emdr.com:8050')
      # Disable filtering.
      subscriber.setsockopt(zmq.SUBSCRIBE, "")
  
      ws = environ["wsgi.websocket"]
  
      while True:
          gevent.spawn(worker, subscriber.recv(), ws)
          gevent.sleep(0.1)
  
  server = pywsgi.WSGIServer(
      ("", 9000),
      websocket_app,
      handler_class=WebSocketHandler
  )
  
  server.serve_forever()
subject: Make that port 9000.