{"record":{"id":"5762e451332355d2","repo":"keras-team/keras","slug":"invalid-images-dtype-expected-float-dtype-receiv-5762e4","errorCode":null,"errorMessage":"Invalid images dtype: expected float dtype. Received: images.dtype={backend.standardize_dtype(dtype)}","messagePattern":"Invalid images dtype: expected float dtype\\. Received: images\\.dtype=(.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/backend/tensorflow/image.py","lineNumber":93,"sourceCode":"        [0.2989, 0.5870, 0.1140], dtype=images.dtype\n    )\n    images = tf.tensordot(images, rgb_weights, axes=(channels_axis, -1))\n    images = tf.expand_dims(images, axis=channels_axis)\n    return tf.cast(images, original_dtype)\n\n\ndef rgb_to_hsv(images, data_format=None):\n    images = convert_to_tensor(images)\n    dtype = images.dtype\n    data_format = backend.standardize_data_format(data_format)\n    if len(images.shape) not in (3, 4):\n        raise ValueError(\n            \"Invalid images rank: expected rank 3 (single image) \"\n            \"or rank 4 (batch of images). Received input with shape: \"\n            f\"images.shape={images.shape}\"\n        )\n    if not backend.is_float_dtype(dtype):\n        raise ValueError(\n            \"Invalid images dtype: expected float dtype. \"\n            f\"Received: images.dtype={backend.standardize_dtype(dtype)}\"\n        )\n    if data_format == \"channels_first\":\n        if len(images.shape) == 4:\n            images = tf.transpose(images, (0, 2, 3, 1))\n        else:\n            images = tf.transpose(images, (1, 2, 0))\n    images = tf.image.rgb_to_hsv(images)\n    if data_format == \"channels_first\":\n        if len(images.shape) == 4:\n            images = tf.transpose(images, (0, 3, 1, 2))\n        elif len(images.shape) == 3:\n            images = tf.transpose(images, (2, 0, 1))\n    return images\n\n\ndef hsv_to_rgb(images, data_format=None):","sourceCodeStart":75,"sourceCodeEnd":111,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/backend/tensorflow/image.py#L75-L111","documentation":"Error \"Invalid images dtype: expected float dtype. Received: images.dtype={backend.standardize_dtype(dtype)}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/backend/tensorflow/image.py:93 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"}