cron.py bugs: missing import; lottery edge case

files/helpers/cron.py

@@ -1,6 +1,7 @@
 from files.cli import g, app, db_session
 import click
 from files.helpers.const import *
+from files.classes import *
 
 import files.helpers.lottery as lottery
 import files.helpers.offsitementions as offsitementions

files/helpers/lottery.py

@@ -38,6 +38,10 @@ def end_lottery_session():
 		for _ in range(user.currently_held_lottery_tickets):
 			raffle.append(user.id)
 
+	if len(raffle) == 0:
+		active_lottery.is_active = False
+		return True, "Lottery ended with no participants."
+
 	winner = choice(raffle)
 	active_lottery.winner_id = winner
 	winning_user = next(filter(lambda x: x.id == winner, participating_users))
@@ -58,7 +62,6 @@ def end_lottery_session():
 
 	active_lottery.is_active = False
 
-
 	return True, f'{winning_user.username} won {active_lottery.prize} coins!'