server/parse_univis: Output number of found exercises on assertion error.

django/server/management/commands/parse_univis.py

@@ -299,7 +299,9 @@ def parse_Univis_for_Lectures():
 
     # Round them to full 2-hour-slot!
     all_exercises = _set_default_displaytime(all_exercises)
+    assert len(all_exercises) > 100, "DAFUQ UNIVIS GAVE US ONLY {} EXERCISES".format(len(all_exercises))
     new_exercise = list(map(lambda x: {k: x[k] for k in ("name", "start", "end", "weekday", "room")}, all_exercises))
+    #print(all_exercises)
 
     # Remove old lectures
     to_delete_lectures = []