def add_specific_config(opts):
    newopts = dict(opts)
    if system.systemType == 'Darwin':
        newopts['useMacBrushedMetalStyle'] = True

    return newopts
Ensure that only tweets from the last CC_TWEETS_DAYS are shown
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/configuration.py/add_specific_config--crossover with--dataset/ETHPy150Open mozilla/kitsune/kitsune/customercare/tests/test_views.py/TweetListTests.test_newer_tweets_only