{"record":{"id":"e451205ba2829875","repo":"keras-team/keras","slug":"torch-export-requires-pytorch-backend","errorCode":null,"errorMessage":"Torch export requires PyTorch backend.","messagePattern":"Torch export requires PyTorch backend\\.","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/models/model.py","lineNumber":957,"sourceCode":"        if format not in available_formats:\n            raise ValueError(\n                f\"Unrecognized format={format}. Supported formats are: \"\n                f\"{list(available_formats)}.\"\n            )\n\n        # Check if LiteRT export is available (requires TensorFlow or\n        # PyTorch backend)\n        if format == \"litert\" and backend.backend() not in (\n            \"tensorflow\",\n            \"torch\",\n        ):\n            raise ValueError(\n                \"LiteRT export requires TensorFlow or PyTorch backend.\"\n            )\n\n        # Check if Torch export is available (requires PyTorch backend)\n        if format == \"torch\" and backend.backend() != \"torch\":\n            raise ValueError(\"Torch export requires PyTorch backend.\")\n\n        if format == \"tf_saved_model\":\n            export_saved_model(\n                self,\n                filepath,\n                verbose,\n                input_signature=input_signature,\n                **kwargs,\n            )\n        elif format == \"onnx\":\n            export_onnx(\n                self,\n                filepath,\n                verbose,\n                input_signature=input_signature,\n                **kwargs,\n            )\n        elif format == \"openvino\":","sourceCodeStart":939,"sourceCodeEnd":975,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/models/model.py#L939-L975","documentation":"Error \"Torch export requires PyTorch backend.\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/models/model.py:957 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"}