Initialize a RecognitionJobs object from a json dictionary.

def _from_dict(cls, _dict):
        """Initialize a RecognitionJobs object from a json dictionary."""
        args = {}
        if 'recognitions' in _dict:
            args['recognitions'] = [
                RecognitionJob._from_dict(x)
                for x in (_dict.get('recognitions'))
            ]
        else:
            raise ValueError(
                'Required property \'recognitions\' not present in RecognitionJobs JSON'
            )
        return cls(**args)