Undefined name: import boto3 for lines 49 and 54

examples/models/openvino_imagenet_ensemble/resources/model/Prediction.py

@@ -3,6 +3,7 @@
 import datetime
 import os
 import sys
+import boto3
 from urllib.parse import urlparse
 from google.cloud import storage
 from openvino.inference_engine import IENetwork, IEPlugin