{"record":{"id":"2bef6686349a13f4","repo":"keras-team/keras","slug":"invalid-value-for-argument-interpolation-expect-2bef66","errorCode":null,"errorMessage":"Invalid value for argument `interpolation`. Expected of one {set(AFFINE_TRANSFORM_INTERPOLATIONS.keys())}. Received: interpolation={interpolation}","messagePattern":"Invalid value for argument `interpolation`\\. Expected of one (.+?)\\. Received: interpolation=(.+?)","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/backend/numpy/ops/image.py","lineNumber":560,"sourceCode":"        output = np.moveaxis(output, -1, d)\n\n    if use_rounding:\n        output = np.clip(np.round(output), x.min(), x.max())\n        output = output.astype(x.dtype)\n    return output\n\n\ndef affine_transform(\n    images,\n    transform,\n    interpolation=\"bilinear\",\n    fill_mode=\"constant\",\n    fill_value=0,\n    data_format=None,\n):\n    data_format = standardize_data_format(data_format)\n    if interpolation not in AFFINE_TRANSFORM_INTERPOLATIONS.keys():\n        raise ValueError(\n            \"Invalid value for argument `interpolation`. Expected of one \"\n            f\"{set(AFFINE_TRANSFORM_INTERPOLATIONS.keys())}. Received: \"\n            f\"interpolation={interpolation}\"\n        )\n    if fill_mode not in AFFINE_TRANSFORM_FILL_MODES:\n        raise ValueError(\n            \"Invalid value for argument `fill_mode`. Expected of one \"\n            f\"{AFFINE_TRANSFORM_FILL_MODES}. Received: fill_mode={fill_mode}\"\n        )\n\n    images = convert_to_tensor(images)\n    transform = convert_to_tensor(transform)\n\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}\"","sourceCodeStart":542,"sourceCodeEnd":578,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/backend/numpy/ops/image.py#L542-L578","documentation":"Error \"Invalid value for argument `interpolation`. Expected of one {set(AFFINE_TRANSFORM_INTERPOLATIONS.keys())}. Received: interpolation={interpolation}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/backend/numpy/ops/image.py:560 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"}