code: def get(self, key):
          
          warnings.warn(
              'The settings.get(key) is superseded by the dot attribute access.',
              PendingDeprecationWarning
          )
          try:
              return getattr(self, key)
          except AttributeError:
              raise ImproperlyConfigured('Missing settings: {}[\'{}\']'.format(
                  DJOSER_SETTINGS_NAMESPACE, key)
              )
docs: This function is here only to provide backwards compatibility in
          case anyone uses old settings interface.
          It is strongly encouraged to use dot notation.