find client_secrets.json from correct directory
diff --git a/samples/prediction/prediction.py b/samples/prediction/prediction.py
index 958d79c..76c2e55 100644
--- a/samples/prediction/prediction.py
+++ b/samples/prediction/prediction.py
@@ -58,7 +58,7 @@
# application, including client_id and client_secret, which are found
# on the API Access tab on the Google APIs
# Console <http://code.google.com/apis/console>
-CLIENT_SECRETS = 'client_secrets.json'
+CLIENT_SECRETS = 'samples/prediction/client_secrets.json'
# Helpful message to display in the browser if the CLIENT_SECRETS file
# is missing.