How to use the s3path._PathNotSupportedMixin function in s3path

if not key:
            return None
        return type(self)(key)

    def as_uri(self):
        """
        Return the path as a 's3' URI.
        """
        return super().as_uri()

    def _absolute_path_validation(self):
        if not self.is_absolute():
            raise ValueError('relative path have no bucket, key specification')


class S3Path(_PathNotSupportedMixin, Path, PureS3Path):
    """
    Path subclass for AWS S3 service.

    S3Path provide a Python convenient File-System/Path like interface for AWS S3 Service
     using boto3 S3 resource as a driver.

    If boto3 isn't installed in your environment NotImplementedError will be raised.
    """
    __slots__ = ()

    def stat(self):
        """
        Returns information about this path (similarly to boto3's ObjectSummary).
        For compatibility with pathlib, the returned object some similar attributes like os.stat_result.
        The result is looked up at each call to this method
        """