{"record":{"id":"5f5a1d165c733758","repo":"keras-team/keras","slug":"invalid-size-expected-length-2-for-2d-reconstru","errorCode":null,"errorMessage":"Invalid `size`. Expected length 2 for 2D reconstruction. Got: size={size}","messagePattern":"Invalid `size`\\. Expected length 2 for 2D reconstruction\\. Got: size=(.+?)","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/ops/image.py","lineNumber":1213,"sourceCode":"            f\"reconstruction (strides == size). Got strides={strides} \"\n            f\"and size={size}. Overlap-add reconstruction is planned for \"\n            f\"a follow-up.\"\n        )\n    return tuple(strides)\n\n\ndef _reconstruct_patches_2d(\n    patches,\n    size,\n    output_size,\n    strides=None,\n    padding=\"valid\",\n    data_format=None,\n):\n    if isinstance(size, int):\n        size = (size, size)\n    if len(size) != 2:\n        raise ValueError(\n            \"Invalid `size`. Expected length 2 for 2D reconstruction. \"\n            f\"Got: size={size}\"\n        )\n    if len(output_size) != 2:\n        raise ValueError(\n            \"Invalid `output_size`. Expected length 2 (H, W). \"\n            f\"Got: output_size={output_size}\"\n        )\n    if padding not in (\"same\", \"valid\"):\n        raise ValueError(\n            f\"Invalid `padding`. Expected 'same' or 'valid'. Got: {padding}\"\n        )\n    _validate_reconstruct_strides(size, strides, \"reconstruct_patches\")\n    data_format = backend.standardize_data_format(data_format)\n    if data_format == \"channels_first\":\n        # Reconstruct in channels_last layout, then move channels back.\n        # Patches are (flat, gH, gW) unbatched or (B, flat, gH, gW) batched.\n        if len(patches.shape) == 3:","sourceCodeStart":1195,"sourceCodeEnd":1231,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/ops/image.py#L1195-L1231","documentation":"Error \"Invalid `size`. Expected length 2 for 2D reconstruction. Got: size={size}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/ops/image.py:1213 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"}