def load(self, artifact_id):
"""
Load artifacts index for specified artifact id from storage
:param artifact_id: artifact id to load
:return: None
"""
s = self.driver.read_index(artifact_id)
xs = json.loads(s, encoding='utf-8') if s else []
self.artifacts[artifact_id] = [Artifact.from_dict(x) for x in xs]
