Add authentication instructions

elibixby · elibixby · commit c43b65d788e6 · 2017-02-24T17:25:28.000-08:00
diff --git a/ml_engine/online_prediction/predict.py b/ml_engine/online_prediction/predict.py
@@ -16,6 +16,8 @@
 
 
 # [START authenticating]
+# To authenticate set the environment variable
+# GOOGLE_APPLICATION_CREDENTIALS=<path_to_service_account_file>
 def get_ml_engine_service():
     return googleapiclient.discovery.build('ml', 'v1beta1')
 # [END authenticating]
