{"record":{"id":"3603fcfba906ec5c","repo":"keras-team/keras","slug":"invalid-output-size-argument-expected-a-tuple-o","errorCode":null,"errorMessage":"Invalid `output_size` argument. Expected a tuple or list. Received: output_size={output_size} of type {type(output_size).__name__}","messagePattern":"Invalid `output_size` argument\\. Expected a tuple or list\\. Received: output_size=(.+?) of type (.+?)","errorType":"exception","errorClass":"TypeError","httpStatus":null,"severity":"error","filePath":"keras/src/ops/image.py","lineNumber":1135,"sourceCode":"    >>> recon = keras.ops.image.reconstruct_patches(\n    ...     patches, size=(3, 3, 3), output_size=(9, 9, 9)\n    ... )\n    >>> recon.shape\n    (2, 9, 9, 9, 3)\n    \"\"\"\n    if not isinstance(size, int):\n        if not isinstance(size, (tuple, list)):\n            raise TypeError(\n                \"Invalid `size` argument. Expected an int or a tuple. \"\n                f\"Received: size={size} of type {type(size).__name__}\"\n            )\n        if len(size) not in (2, 3):\n            raise ValueError(\n                \"Invalid `size` argument. Expected a tuple of length 2 or 3. \"\n                f\"Received: size={size} with length {len(size)}\"\n            )\n    if not isinstance(output_size, (tuple, list)):\n        raise TypeError(\n            \"Invalid `output_size` argument. Expected a tuple or list. \"\n            f\"Received: output_size={output_size} of type \"\n            f\"{type(output_size).__name__}\"\n        )\n\n    if any_symbolic_tensors((patches,)):\n        return ReconstructPatches(\n            size=size,\n            output_size=output_size,\n            strides=strides,\n            padding=padding,\n            data_format=data_format,\n        ).symbolic_call(patches)\n\n    return _reconstruct_patches(\n        patches,\n        size,\n        output_size,","sourceCodeStart":1117,"sourceCodeEnd":1153,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/ops/image.py#L1117-L1153","documentation":"Error \"Invalid `output_size` argument. Expected a tuple or list. Received: output_size={output_size} of type {type(output_size).__name__}\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/ops/image.py:1135 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"}