{"record":{"id":"eca61a10e870fa2f","repo":"tensorflow/models","slug":"unused-logit-activation-option-inherited-from-visi","errorCode":null,"errorMessage":"Unused logit_activation option inherited from vision SegmentationHead modeling config.","messagePattern":"Unused logit_activation option inherited from vision SegmentationHead modeling config\\.","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"official/projects/qat/vision/modeling/layers/nn_layers.py","lineNumber":316,"sourceCode":"        'low_level': low_level,\n        'low_level_num_filters': low_level_num_filters,\n        'num_decoder_filters': num_decoder_filters,\n        'activation': activation,\n        'use_sync_bn': use_sync_bn,\n        'norm_momentum': norm_momentum,\n        'norm_epsilon': norm_epsilon,\n        'kernel_regularizer': kernel_regularizer,\n        'bias_regularizer': bias_regularizer,\n    }\n    if tf_keras.backend.image_data_format() == 'channels_last':\n      self._bn_axis = -1\n    else:\n      self._bn_axis = 1\n    self._activation_layer = tfmot.quantization.keras.QuantizeWrapperV2(\n        tf_utils.get_activation(activation, use_keras_layer=True),\n        configs.Default8BitActivationQuantizeConfig())\n    if logit_activation:\n      raise ValueError('Unused logit_activation option inherited from '\n                       'vision SegmentationHead modeling config.')\n\n  def build(self, input_shape: Sequence[tf.TensorShape]):\n    \"\"\"Creates the variables of the segmentation head.\"\"\"\n    # When input_shape is a list/tuple, the first corresponds to backbone\n    # features used for resizing the decoder features (the second) if feature\n    # fusion type is `deeplabv3plus`.\n    backbone_shape = input_shape[0]\n    use_depthwise_convolution = self._config_dict['use_depthwise_convolution']\n    random_initializer = tf_keras.initializers.RandomNormal(stddev=0.01)\n    conv_kwargs = {\n        'kernel_size': 3 if not use_depthwise_convolution else 1,\n        'padding': 'same',\n        'use_bias': False,\n        'kernel_initializer': random_initializer,\n        'kernel_regularizer': self._config_dict['kernel_regularizer'],\n    }\n","sourceCodeStart":298,"sourceCodeEnd":334,"githubUrl":"https://github.com/tensorflow/models/blob/e006f5f0d534913e49c1f1dae87364039fa607e2/official/projects/qat/vision/modeling/layers/nn_layers.py#L298-L334","documentation":"Error \"Unused logit_activation option inherited from vision SegmentationHead modeling config.\" thrown in tensorflow/models.","triggerScenarios":"Thrown at official/projects/qat/vision/modeling/layers/nn_layers.py:316 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":"e006f5f0d534913e49c1f1dae87364039fa607e2","analyzedAt":"2026-08-24T14:09:15.576Z","schemaVersion":2},"datasetVersion":"2026-08-24T17:17:21.512Z"}