Fix pai_flow_operator

ad/pai_flow_operator.py

@@ -756,7 +756,7 @@ def update_trained_cids_pointer(model_name=None, dt_version=None):
           f' etag: {ret.etag},'
           f' hash crc64: {ret.hash_crc64},'
           f' version id: {ret.version_id},'
-          f' content: {oss_content}'
+          f' content: {model_version}'
           )