Merge branch 'master' into 14885-ciso-and-conda-packaging-pr

[arvados.git] / sdk / python / arvados / commands / keepdocker.py

diff --git a/sdk/python/arvados/commands/keepdocker.py b/sdk/python/arvados/commands/keepdocker.py
index ac387a6f6c7a29ea56e143279f20aca5c166947f..ec2a9942a6794153ea69138ba467a20f8b1ae6a6 100644 (file)
--- a/sdk/python/arvados/commands/keepdocker.py
+++ b/sdk/python/arvados/commands/keepdocker.py
@@ -230,12 +230,15 @@ def docker_link_sort_key(link):
     Docker metadata links to sort them from least to most preferred.
     """
     try:
-        image_timestamp = ciso8601.parse_datetime_unaware(
+        image_timestamp = ciso8601.parse_datetime_as_naive(
             link['properties']['image_timestamp'])
     except (KeyError, ValueError):
         image_timestamp = EARLIEST_DATETIME
-    return (image_timestamp,
-            ciso8601.parse_datetime_unaware(link['created_at']))
+    try:
+        created_timestamp = ciso8601.parse_datetime_as_naive(link['created_at'])
+    except ValueError:
+        created_timestamp = None
+    return (image_timestamp, created_timestamp)
 
 def _get_docker_links(api_client, num_retries, **kwargs):
     links = arvados.util.list_all(api_client.links().list,