stats/management/commands/fetch_stats.py

@@ -24,6 +24,8 @@ class Command(BaseCommand):
                     if response.status_code != 200:
                         continue
                     Snapshot.objects.create(project=project, data=response.json())
+                if not project.stats_cron:
+                    continue
                 cron = croniter.croniter(project.stats_cron, timezone.now())
                 next_date = cron.get_next(datetime.datetime)
                 project.next_stats_fetch_time = next_date