docs: def update(cls, args):
          """Call the method to update the Web UI."""
          kytos_api = KytosConfig().config.get('kytos', 'api')
          url = f"{kytos_api}api/kytos/core/web/update"
          version = args["<version>"]
          if version:
              url += f"/{version}"
  
          try:
              result = requests.post(url)
          except(HTTPError, URLError, requests.exceptions.ConnectionError):
              LOG.error("Can't connect to server: %s", kytos_api)
              return
  
          if result.status_code != 200:
              LOG.info("Error while updating web ui: %s", result.content)
          else:
              LOG.info("Web UI updated.")