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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def credentials(self, area_uuid):
 """ Get AWS credentials required to directly upload files to Upload Area in S3 :param str area_uuid: A RFC4122-compliant ID for the upload area :return: a dict containing an AWS AccessKey, SecretKey and SessionToken :rtype: dict :raises UploadApiException: if credentials could not be obtained """

        response = self._make_request("post", path="/area/{uuid}/credentials".format(uuid=area_uuid))
        return response.json()