IndexError

Level 1 of the Dungeon
[Shop] Asuchac's Assorted Antiques
  a +0 pair of gloves (130 gold)
  a +0 dagger (58 gold)
  a +0 dagger (58 gold)
  a +0 short sword (87 gold)
  a potion of berserk rage (145 gold)
  a +0 scale mail (116 gold)
  a +0 ring mail (116 gold)
  a scroll of identify (58 gold)
(0, 0, D:1)
  a +0 short sword
(2, -29, D:1)
  a rat skeleton
(6, -26, D:1)
  a +0 dagger
  5 stones
  a kobold corpse (skeletalised by now)
(7, -16, D:1)
  a bat skeleton
(7, -5, D:1)
  a bat skeleton
(9, -18, D:1)
  a +0 club
  a goblin skeleton
(12, -27, D:1)
  a +0 short sword
  a stone
  a kobold skeleton
(14, 19, D:1)
  a +0 dagger
(19, 16, D:1)
  a flux talisman
(26, -40, D:1)
  a ball python corpse (skeletalised by now)
(39, -2, D:1)
  a +0 whip
  5 stones
  a kobold corpse (skeletalised by now)
(40, 6, D:1)
  a hobgoblin skeleton
(41, -19, D:1)
  a +0 ring mail
(41, -8, D:1)
  a rat corpse (skeletalised by now)
(51, -4, D:1)
  a rat skeleton
(52, -25, D:1)
  5 stones
(53, 6, D:1)
  a +0 club
  a goblin skeleton
(55, 19, D:1)
  a +0 dagger
  a goblin corpse (skeletalised by now)

Level 2 of the Dungeon
(0, 0, D:2)
  a +0 sling
(4, 12, D:2)
  a scroll of blinking
(5, 12, D:2)
  a +0 whip
(6, 12, D:2)
  a potion of attraction
(7, 5, D:2)
  6 gold pieces
(11, 18, D:2)
  a frilled lizard corpse (skeletalised by now)
(12, 17, D:2)
  a bat corpse
(13, 34, D:2)
  a +0 club
  a goblin skeleton
(18, 23, D:2)
  a +0 club
  a kobold corpse (skeletalised by now)
(18, 35, D:2)
  7 stones