Resolve "[Full register printout] Events are also shown for days which are not in the timetable schema"

Closes #232 (closed)

aleksis/apps/alsijil/tasks.py

@@ -89,7 +89,7 @@ def generate_full_register_printout(group: int, file_object: int, recorder: Prog
             event_copy.annotate_day(day)
 
             # Skip event days if it isn't inside the timetable schema
-            if not event_copy.raw_period_from_on_day or not event_copy.raw_period_to_on_day:
+            if not (event_copy.raw_period_from_on_day and event_copy.raw_period_to_on_day):
                 continue
 
             register_objects_by_day.setdefault(day, []).append(