V2 - Crash: Buying a Spell

[brando56894]

Cure
--------------
Target: You
Accuracy: 100
MP Used: 2

Spell that heals wounds a little bit.

Cost: 20

Pres Enter To Go Back

How many do you want to buy? 1

Traceback (most recent call last):
  File "main.py", line 132, in <module>
    menu(new_player)
  File "main.py", line 108, in menu
    choices[choice](player)
  File "/home/bran/dungeon-quest/actions.py", line 152, in visit_shop
    visit_shop_section(area, areas[area], player)
  File "/home/bran/dungeon-quest/actions.py", line 181, in visit_shop_section
    area, player)
  File "/home/bran/dungeon-quest/actions.py", line 205, in checkout_item
    visit_shop_section(section, section_dict, player)
  File "/home/bran/dungeon-quest/actions.py", line 181, in visit_shop_section
    area, player)
  File "/home/bran/dungeon-quest/actions.py", line 210, in checkout_item
    section_dict, player, True)
  File "/home/bran/dungeon-quest/actions.py", line 224, in checkout_item
    if amount and player.gold_handle(cost*amount):
  File "/home/bran/dungeon-quest/player.py", line 360, in gold_handle
    self.stat_modifier({"gold", -cost})
  File "/home/bran/dungeon-quest/character.py", line 117, in stat_modifier
    mod = stat_mod[stat]
TypeError: 'set' object does not support indexing