recommendationservice: add import traceback

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>
This commit is contained in:
Ahmet Alp Balkan 2018-07-30 10:48:46 -07:00
parent 3493cc1cb4
commit c8aed3e804
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@ -19,6 +19,7 @@ import demo_pb2
import demo_pb2_grpc
from concurrent import futures
import time
import traceback
import random
import os