def __init__(self, *args, **kwargs):
    super().__init__(*args, **kwargs)
    self.timeout = getattr(self, 'timeout', 15)
    if (not hasattr(self, 'api_key')):
        raise Exception("WorldCoinIndex FeedSource requires 'api_key'.")
def __init__(self, *args, **kwargs):
    super().__init__(*args, **kwargs)
    self.timeout = getattr(self, 'timeout', 15)
    if (not hasattr(self, 'api_key')):
        raise Exception("WorldCoinIndex FeedSource requires 'api_key'.")