Fix bug where night would abruptly end if there are no wolves alive to receive gun.

modules/wolfgame.py

@@ -2521,6 +2521,7 @@ def transition_day(cli, gameid=0):
 
         if var.WOLF_STEALS_GUN and victim in bywolves and victim in var.GUNNERS.keys() and var.GUNNERS[victim] > 0:
             # victim has bullets
+            try:
                 while True:
                     guntaker = random.choice(var.list_players(var.WOLFCHAT_ROLES))  # random looter
                     if guntaker not in dead:
@@ -2534,6 +2535,8 @@ def transition_day(cli, gameid=0):
                         "If you shoot a villager, it is likely that they will be injured.")
                 mmsg = mmsg.format(victim)
                 pm(cli, guntaker, mmsg)
+            except IndexError:
+                pass # no wolves to give gun to (they were all killed during night or something)
             var.GUNNERS[victim] = 0  # just in case
 
     for havetotem in havetotem.values():