code: def show(self):
          
          display(HTML("""<div id="%s"></div>""" % (self.igv_id)))
          # DON'T check status before showing browser,
          msg = json.dumps({
              "id": self.igv_id,
              "command": "create",
              "options": self.config
          })
          self.comm.send(msg)
docs: Create an igv.js "Browser" instance on the front end.