old_contents: 
  def get_num_watchers(api, urn):
      path = "/repos/{urn}".format(urn=urn)
      data = api("get", path)
      return data["watchers_count"]
  
  
new_contents: 
  def get_num_watchers(api, urn):
      """ returns the number of watchers for a repo """
      path = "/repos/{urn}".format(urn=urn)
      data = api("get", path)
      # this is the field for watchers.  do not be tricked by "watchers_count"
      # which always matches "stargazers_count"
      return data["subscribers_count"]
  
  
subject: use correct field for watchers