{"record":{"id":"b596a60f7cc64adb","repo":"keras-team/keras","slug":"input-tensor-specified-input-tensor-is-not-a-ker","errorCode":null,"errorMessage":"input_tensor specified: {input_tensor}is not a keras tensor","messagePattern":"input_tensor specified: (.+?)is not a keras tensor","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"keras/src/applications/mobilenet_v3.py","lineNumber":224,"sourceCode":"                    raise ValueError(\n                        \"When backend.image_data_format()=channels_first, \"\n                        \"input_shape[1] must equal \"\n                        \"input_tensor.shape[1].  Received \"\n                        f\"input_shape={input_shape}, \"\n                        \"input_tensor.shape=\"\n                        f\"{input_tensor.shape}\"\n                    )\n            else:\n                if input_tensor.shape[2] != input_shape[1]:\n                    raise ValueError(\n                        \"input_shape[1] must equal \"\n                        \"input_tensor.shape[2].  Received \"\n                        f\"input_shape={input_shape}, \"\n                        \"input_tensor.shape=\"\n                        f\"{input_tensor.shape}\"\n                    )\n        else:\n            raise ValueError(\n                \"input_tensor specified: \",\n                input_tensor,\n                \"is not a keras tensor\",\n            )\n\n    # If input_shape is None, infer shape from input_tensor\n    if input_shape is None and input_tensor is not None:\n        try:\n            backend.is_keras_tensor(input_tensor)\n        except ValueError:\n            raise ValueError(\n                \"input_tensor: \",\n                input_tensor,\n                \"is type: \",\n                type(input_tensor),\n                \"which is not a valid type\",\n            )\n","sourceCodeStart":206,"sourceCodeEnd":242,"githubUrl":"https://github.com/keras-team/keras/blob/7a34a03db60bf60042242d6a556fc3be119046a5/keras/src/applications/mobilenet_v3.py#L206-L242","documentation":"Error \"input_tensor specified: {input_tensor}is not a keras tensor\" thrown in keras-team/keras.","triggerScenarios":"Thrown at keras/src/applications/mobilenet_v3.py:224 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"}