Fix No such file or directory caused by #4513

[cmezh]

Original output:

Traceback (most recent call last):
  File "pokecli.py", line 705, in <module>
    main()
  File "pokecli.py", line 104, in main
    bot.start()
  File "/home/cmezh/fork/sandbox/pokemongo_bot/__init__.py", line 109, in start
    init_inventory(self)
  File "/home/cmezh/fork/sandbox/pokemongo_bot/inventory.py", line 1219, in init_inventory
    _inventory = Inventory(bot)
  File "/home/cmezh/fork/sandbox/pokemongo_bot/inventory.py", line 1086, in __init__
    self.refresh()
  File "/home/cmezh/fork/sandbox/pokemongo_bot/inventory.py", line 1096, in refresh
    self.update_web_inventory()
  File "/home/cmezh/fork/sandbox/pokemongo_bot/inventory.py", line 1102, in update_web_inventory
    with open(web_inventory, "r") as infile:
IOError: [Errno 2] No such file or directory: u'/home/cmezh/fork/sandbox/pokemongo_bot/../web/inventory-notabot11.json'

[solderzzc]

Good catch.