old_contents: import wandb
  
  
  class Run(object):
      def __init__(self, run=None):
          self.run = run or wandb.run
  
      def _repr_html_(self):
          url = self.run.get_url().replace('https://app.wandb.ai',
                                           'http://app.test') + "?jupyter=true"
          return '''<iframe src="%s" style="border:none;width:100%%;height:420px">
          </iframe>''' % url
  
new_contents: import wandb
  
  
  class Run(object):
      def __init__(self, run=None):
          self.run = run or wandb.run
  
      def _repr_html_(self):
          url = self.run.get_url()+"?jupyter=true"
          return '''<iframe src="%s" style="border:none;width:100%%;height:420px">
          </iframe>''' % url
  
subject: Fix replace