code: def load_html(content, base_uri=base_uri(), uid='master'):
      
      content = make_unicode(content)
      gui.load_html(content, base_uri, uid)
docs: Load a new content into a previously created WebView window. This function must be invoked after WebView windows is
      created with create_window(). Otherwise an exception is thrown.
      :param content: Content to load.
      :param base_uri: Base URI for resolving links. Default is the directory of the application entry point.
      :param uid: uid of the target instance