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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def load_baseline_from_string(cls, string):
 """Initializes a SecretsCollection object from string. :type string: str :param string: string to load SecretsCollection from. :rtype: SecretsCollection :raises: IOError """

        try:
            return cls.load_baseline_from_dict(json.loads(string))
        except (IOError, ValueError):
            log.error('Incorrectly formatted baseline!')
            raise