get datascope hat names

hats.py

"""Export a json of the-hat-rack board and run this script to print out all of the names of the internal hats:

hats.py trello_export.json
"""
import sys
import json
from pprint import pprint

with open(sys.argv[1]) as stream:
    data = json.loads(stream.read().decode("utf-8", "ignore"))

datascope_list_id = '562fe354beca021534a29382'

for card in data['cards']:
    if card['idList'] == datascope_list_id:
        print card['name']