{"record":{"id":"0e98f59a688d507f","repo":"keras-team/keras","slug":"the-value-range-argument-should-be-a-list-of-two-0e98f5","errorCode":null,"errorMessage":"The `value_range` argument should be a list of two numbers. Received: value_range={value_range}","messagePattern":"The `value_range` argument should be a list of two numbers\\. Received: value_range=(.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/layers/preprocessing/image_preprocessing/random_posterization.py","lineNumber":57,"sourceCode":"    )\n\n    def __init__(\n        self,\n        factor,\n        value_range=(0, 255),\n        data_format=None,\n        seed=None,\n        **kwargs,\n    ):\n        super().__init__(data_format=data_format, **kwargs)\n        self._set_factor(factor)\n        self._set_value_range(value_range)\n        self.seed = seed\n        self.generator = self.backend.random.SeedGenerator(seed)\n\n    def _set_value_range(self, value_range):\n        if not isinstance(value_range, (tuple, list)):\n            raise ValueError(\n                self._VALUE_RANGE_VALIDATION_ERROR\n                + f\"Received: value_range={value_range}\"\n            )\n        if len(value_range) != 2:\n            raise ValueError(\n                self._VALUE_RANGE_VALIDATION_ERROR\n                + f\"Received: value_range={value_range}\"\n            )\n        self.value_range = sorted(value_range)\n\n    def get_random_transformation(self, data, training=True, seed=None):\n        if isinstance(data, dict):\n            images = data[\"images\"]\n        else:\n            images = data\n        images_shape = self.backend.shape(images)\n        rank = len(images_shape)\n        if rank == 3:","sourceCodeStart":39,"sourceCodeEnd":75,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/layers/preprocessing/image_preprocessing/random_posterization.py#L39-L75","documentation":"Error \"The `value_range` argument should be a list of two numbers. Received: value_range={value_range}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/layers/preprocessing/image_preprocessing/random_posterization.py:57 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"7a34a03db60bf60042242d6a556fc3be119046a5","analyzedAt":"2026-08-25T21:25:25.994Z","schemaVersion":2},"datasetVersion":"2026-08-26T02:17:13.382Z"}