How to use the azure-cognitiveservices-vision-customvision.azure.cognitiveservices.vision.customvision.prediction.models.__dict__ function in azure-cognitiveservices-vision-customvision

def __init__(
            self, api_key, endpoint):

        self.config = CustomVisionPredictionClientConfiguration(api_key, endpoint)
        super(CustomVisionPredictionClient, self).__init__(None, self.config)

        client_models = {k: v for k, v in models.__dict__.items() if isinstance(v, type)}
        self.api_version = '3.0'
        self._serialize = Serializer(client_models)
        self._deserialize = Deserializer(client_models)