Get the contents of an object stored in S3 as string.

        :param s3_path: URL for target S3 location
        :param encoding: Encoding to decode bytes to string
        :return: File contents as a string

def get_as_string(self, s3_path, encoding='utf-8'):
        """
        Get the contents of an object stored in S3 as string.

        :param s3_path: URL for target S3 location
        :param encoding: Encoding to decode bytes to string
        :return: File contents as a string
        """
        content = self.get_as_bytes(s3_path)
        return content.decode(encoding)