asda?‰PNG

   
IHDR   ?   f   ??C1   
sRGB ??é   gAMA  ±?üa   	pHYs  ?  ?
?o¨d  GIDATx^íüL”÷e÷Y?a?("Bh?_ò???￠§?q5k?*:t0A-o??￥]VkJ￠M??f?±8\k2íll￡1]q?ù???T

def normalize(config):
    '''
    Given a configuration dict, apply particular hard-coded rules to normalize its contents to
    adhere to the configuration schema.
    '''
    exclude_if_present = config.get('location', {}).get('exclude_if_present')

    # "Upgrade" exclude_if_present from a string to a list.
    if isinstance(exclude_if_present, str):
        config['location']['exclude_if_present'] = [exclude_if_present]