{"record":{"id":"e08d8d21e15f9fd3","repo":"keras-team/keras","slug":"unknown-type-of-input-data-type-data","errorCode":null,"errorMessage":"Unknown type of input data {type(data)}","messagePattern":"Unknown type of input data (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/backend/openvino/trainer.py","lineNumber":129,"sourceCode":"                param_elem = self._parameterize_data(elem)\n                parametrize_data[elem_name] = param_elem\n        elif isinstance(data, OpenVINOKerasTensor):\n            parametrize_data = data\n        elif isinstance(data, np.ndarray) or np.isscalar(data):\n            ov_type = OPENVINO_DTYPES[str(data.dtype)]\n            ov_shape = list(data.shape)\n            if len(ov_shape) > 0:\n                ov_shape[0] = -1\n            param = ov_opset.parameter(shape=ov_shape, dtype=ov_type)\n            parametrize_data = OpenVINOKerasTensor(param.output(0))\n        elif isinstance(data, int):\n            param = ov_opset.parameter(shape=[], dtype=ov.Type.i32)\n            parametrize_data = OpenVINOKerasTensor(param.output(0))\n        elif isinstance(data, float):\n            param = ov_opset.parameter(shape=[], dtype=ov.Type.f32)\n            parametrize_data = OpenVINOKerasTensor(param.output(0))\n        else:\n            raise ValueError(f\"Unknown type of input data {type(data)}\")\n        return parametrize_data\n\n    def _get_data_shapes(self, data):\n        shapes = []\n        for x in tree.flatten(data):\n            if isinstance(x, np.ndarray):\n                shape = (-1,) + x.shape[1:] if x.ndim > 0 else x.shape\n                shapes.append(shape)\n            else:\n                shapes.append(None)\n        return shapes\n\n    def _get_compiled_model(self, data):\n        current_shapes = self._get_data_shapes(data)\n        if (\n            self.ov_compiled_model is not None\n            and get_device() == self.ov_device\n            and getattr(self, \"ov_input_shapes\", None) == current_shapes","sourceCodeStart":111,"sourceCodeEnd":147,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/backend/openvino/trainer.py#L111-L147","documentation":"Error \"Unknown type of input data {type(data)}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/backend/openvino/trainer.py:129 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"}