code: def _get_password_url(self):
          
          password_url = None
          if self._settings["user"] or self._settings["authorization"]:
              if self._settings["url"]:
                  password_url = self._settings["url"]
              elif self._settings["base_url"]:
                  password_url = self._settings["base_url"]
          return password_url
docs: Get URL used for authentication
  
          Returns:
              string: URL