docs: def get_password(self, host=None):
          """
          If host=None, return the current server list (dict).
          Else, return the host's password (or the default one if defined or None)
          """
          if host is None:
              return self._password_dict
          else:
              try:
                  return self._password_dict[host]
              except (KeyError, TypeError):
                  try:
                      return self._password_dict['default']
                  except (KeyError, TypeError):
                      return None