handle key error when news feed does not load

screenless/bureau/publications/publications.py

@@ -298,9 +298,14 @@ class Publications(Bureau):
             thread.join()
 
         for source in feeds:
+            try:
                 feed = feedparser.parse(feed_data[source["url"]])
+            except KeyError:
+                self.log.debug("Skipping missing feed data (network problem?):%s", source["url"])
+                continue
             if feed is None:
                 continue
+
             num_entries = source["count"]
 
             # work around if we don't have enough news