Catch a URLError when virtuoso isn't running at all

* gn3/api/metadata.py: Import URLError.
(jsonify_dataset_metadata): Add URLError in except block.

1 files changed, 2 insertions, 1 deletions

diff --git a/gn3/api/metadata.py b/gn3/api/metadata.py
index 156af97..35e4067 100644
--- a/gn3/api/metadata.py
+++ b/gn3/api/metadata.py
@@ -1,5 +1,6 @@
 """API for fetching metadata using an API"""
 from http.client import RemoteDisconnected
+from urllib.error import URLError
 from flask import Blueprint
 from flask import jsonify
 from flask import current_app
@@ -23,5 +24,5 @@ def jsonify_dataset_metadata(accession_id):
             ).data
         )
     # The virtuoso server is misconfigured or it isn't running at all
-    except RemoteDisconnected:
+    except (RemoteDisconnected, URLError):
         return jsonify({})