16221: Fix test for config endpoint.

x['configs'] raises KeyError on an old discovery doc -- test
x.get('configs', False) instead.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@tomclegg.ca>

diff --git a/sdk/python/arvados/util.py b/sdk/python/arvados/util.py
index 9e0a3178305068c4edec716c57467221f98af562..dcc0417c138484b9d3f589ea19f75dacf4be6122 100644 (file)
--- a/sdk/python/arvados/util.py
+++ b/sdk/python/arvados/util.py
@@ -421,7 +421,7 @@ def new_request_id():
     return rid
 
 def get_config_once(svc):
-    if not svc._rootDesc.get('resources')['configs']:
+    if not svc._rootDesc.get('resources').get('configs', False):
         # Old API server version, no config export endpoint
         return {}
     if not hasattr(svc, '_cached_config'):