stamina: only recompute playlist if in a nonstop zone

diff --git a/nonstop/management/commands/stamina.py b/nonstop/management/commands/stamina.py
index 8b515df9ade16e99867793fe10e6dff701b3a384..1122263c591849989bc5d25449809b229efb48b9 100644 (file)
--- a/nonstop/management/commands/stamina.py
+++ b/nonstop/management/commands/stamina.py
@@ -463,7 +463,8 @@ class Command(BaseCommand):
                 logger.debug('Change in end time, from %s to %s',
                         current_slot.end_datetime,
                         expected_slot.end_datetime)
-                if expected_slot.end_datetime - datetime.datetime.now() > datetime.timedelta(minutes=5):
+                if isinstance(current_slot, Nonstop) and (
+                        expected_slot.end_datetime - datetime.datetime.now() > datetime.timedelta(minutes=5)):
                     # more than 5 minutes left, recompute playlist
                     self.recompute_playlist()