old_contents: from gevent.pywsgi import WSGIServer
  
  
  def application(env, start_response):
      if env['PATH_INFO'] == '/grafana_callback':
          start_response('200 OK', [('Content-Type', 'text/html')])
  
          # TODO(Rishubh) Receive Data and call parsing functions 
          # data = env['wsgi.input'].read()
  
          return [b"<b>Recieved</b>"]
  
      start_response('404 Not Found', [('Content-Type', 'text/html')])
      return [b'<h1>Not Found</h1>']
  
  
  def start_server():
      WSGIServer(('', 8789), application).serve_forever()
  
  
new_contents: from gevent.pywsgi import WSGIServer
  
  
  def application(env, start_response):
      if env['PATH_INFO'] == '/grafana_callback':
          start_response('200 OK', [('Content-Type', 'text/html')])
  
          # TODO(Rishubh) Receive Data and call parsing functions with alert json from grafana
          # data = env['wsgi.input'].read()
  
          return [b"<b>Recieved</b>"]
  
      start_response('404 Not Found', [('Content-Type', 'text/html')])
      return [b'<h1>Not Found</h1>']
  
  
  def start_server():
      WSGIServer(('', 8789), application).serve_forever()
  
  
subject: Update webhook_receiver.py