docs: def tvdb_refresh_token(token):
      """ Refreshes JWT token
  
      Online docs: api.thetvdb.com/swagger#!/Authentication/get_refresh_token=
      """
      url = "https://api.thetvdb.com/refresh_token"
      headers = {"Authorization": "Bearer %s" % token}
      status, content = _request_json(url, headers=headers, cache=False)
      if status == 401:
          raise MapiProviderException("invalid token")
      elif status != 200 or not content.get("token"):
          raise MapiNetworkException("TVDb down or unavailable?")
      return content["token"]