Added a guard for the case that slides might be removed from a session while agenda page construction is in flight.

- Legacy-Id: 13926
2017-07-17 09:22:06 +00:00 · 2017-07-17 09:22:06 +00:00 · 391d5e9ec5
parent 6eb8c03eb5
commit 391d5e9ec5
1 changed files with 4 additions and 1 deletions
--- a/ietf/doc/models.py
+++ b/ietf/doc/models.py
@ -217,7 +217,10 @@ class DocumentInfo(models.Model):
                    # we need to do this because DocHistory items don't have
                    # any session_set entry:
                    doc = self.doc if isinstance(self, DocHistory) else self
-                    meeting = doc.session_set.first().meeting
+                    sess = doc.session_set.first()
+                    if not sess:
+                        return ""
+                    meeting = sess.meeting
                info = dict(doc=self, meeting=meeting)
            else:
                info = dict(doc=self)