{"record":{"id":"912bc37b7b165b01","repo":"tensorflow/models","slug":"unexpected-inputs-type-to-self-class","errorCode":null,"errorMessage":"Unexpected inputs type to {self.__class__}.","messagePattern":"Unexpected inputs type to (.+?)\\.","errorType":"exception","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"official/projects/longformer/longformer_encoder.py","lineNumber":205,"sourceCode":"        'attention_window': attention_window,\n        'global_attention_size': global_attention_size,\n        'pad_token_id': pad_token_id,\n    }\n    self.inputs = dict(\n        input_word_ids=tf_keras.Input(shape=(None,), dtype=tf.int32),\n        input_mask=tf_keras.Input(shape=(None,), dtype=tf.int32),\n        input_type_ids=tf_keras.Input(shape=(None,), dtype=tf.int32))\n\n  def call(self, inputs):\n    word_embeddings = None\n    if isinstance(inputs, dict):\n      word_ids = inputs.get('input_word_ids')  # input_ids\n      mask = inputs.get('input_mask')  # attention_mask\n      type_ids = inputs.get('input_type_ids')  # token_type_ids\n      word_embeddings = inputs.get('input_word_embeddings',\n                                   None)  # input_embeds\n    else:\n      raise ValueError(f'Unexpected inputs type to {self.__class__}.')\n\n    (\n        padding_len,\n        word_ids,\n        mask,\n        type_ids,\n        word_embeddings,\n    ) = self._pad_to_window_size(\n        word_ids=word_ids,\n        mask=mask,\n        type_ids=type_ids,\n        word_embeddings=word_embeddings,\n        pad_token_id=self._pad_token_id)\n\n    if word_embeddings is None:\n      word_embeddings = self._embedding_layer(word_ids)\n    # absolute position embeddings.\n    position_embeddings = self._position_embedding_layer(word_embeddings)","sourceCodeStart":187,"sourceCodeEnd":223,"githubUrl":"https://github.com/tensorflow/models/blob/e006f5f0d534913e49c1f1dae87364039fa607e2/official/projects/longformer/longformer_encoder.py#L187-L223","documentation":"Error \"Unexpected inputs type to {self.__class__}.\" thrown in tensorflow/models.","triggerScenarios":"Thrown at official/projects/longformer/longformer_encoder.py:205 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"}