423 lines
17 KiB
Python
423 lines
17 KiB
Python
# coding=utf-8
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# Copyright 2020 The HuggingFace Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import tempfile
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import unittest
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import pytest
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from transformers import DistilBertConfig, is_torch_available
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from transformers.testing_utils import require_flash_attn, require_torch, require_torch_accelerator, slow, torch_device
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from ...test_configuration_common import ConfigTester
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from ...test_modeling_common import ModelTesterMixin, ids_tensor, random_attention_mask
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from ...test_pipeline_mixin import PipelineTesterMixin
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if is_torch_available():
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import torch
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from transformers import (
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DistilBertForMaskedLM,
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DistilBertForMultipleChoice,
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DistilBertForQuestionAnswering,
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DistilBertForSequenceClassification,
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DistilBertForTokenClassification,
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DistilBertModel,
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)
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from transformers.models.distilbert.modeling_distilbert import _create_sinusoidal_embeddings
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class DistilBertModelTester(object):
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def __init__(
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self,
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parent,
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batch_size=13,
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seq_length=7,
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is_training=True,
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use_input_mask=True,
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use_token_type_ids=False,
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use_labels=True,
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vocab_size=99,
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hidden_size=32,
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num_hidden_layers=2,
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num_attention_heads=4,
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intermediate_size=37,
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hidden_act="gelu",
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hidden_dropout_prob=0.1,
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attention_probs_dropout_prob=0.1,
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max_position_embeddings=512,
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type_vocab_size=16,
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type_sequence_label_size=2,
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initializer_range=0.02,
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num_labels=3,
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num_choices=4,
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scope=None,
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):
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self.parent = parent
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self.batch_size = batch_size
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self.seq_length = seq_length
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self.is_training = is_training
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self.use_input_mask = use_input_mask
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self.use_token_type_ids = use_token_type_ids
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self.use_labels = use_labels
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self.vocab_size = vocab_size
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self.hidden_size = hidden_size
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self.num_hidden_layers = num_hidden_layers
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self.num_attention_heads = num_attention_heads
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self.intermediate_size = intermediate_size
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self.hidden_act = hidden_act
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self.hidden_dropout_prob = hidden_dropout_prob
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self.attention_probs_dropout_prob = attention_probs_dropout_prob
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self.max_position_embeddings = max_position_embeddings
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self.type_vocab_size = type_vocab_size
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self.type_sequence_label_size = type_sequence_label_size
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self.initializer_range = initializer_range
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self.num_labels = num_labels
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self.num_choices = num_choices
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self.scope = scope
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def prepare_config_and_inputs(self):
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input_ids = ids_tensor([self.batch_size, self.seq_length], self.vocab_size)
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input_mask = None
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if self.use_input_mask:
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input_mask = random_attention_mask([self.batch_size, self.seq_length])
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sequence_labels = None
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token_labels = None
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choice_labels = None
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if self.use_labels:
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sequence_labels = ids_tensor([self.batch_size], self.type_sequence_label_size)
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token_labels = ids_tensor([self.batch_size, self.seq_length], self.num_labels)
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choice_labels = ids_tensor([self.batch_size], self.num_choices)
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config = self.get_config()
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return config, input_ids, input_mask, sequence_labels, token_labels, choice_labels
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def get_config(self):
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return DistilBertConfig(
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vocab_size=self.vocab_size,
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dim=self.hidden_size,
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n_layers=self.num_hidden_layers,
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n_heads=self.num_attention_heads,
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hidden_dim=self.intermediate_size,
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hidden_act=self.hidden_act,
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dropout=self.hidden_dropout_prob,
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attention_dropout=self.attention_probs_dropout_prob,
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max_position_embeddings=self.max_position_embeddings,
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initializer_range=self.initializer_range,
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)
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def create_and_check_distilbert_model(
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self, config, input_ids, input_mask, sequence_labels, token_labels, choice_labels
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):
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model = DistilBertModel(config=config)
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model.to(torch_device)
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model.eval()
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result = model(input_ids, input_mask)
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result = model(input_ids)
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self.parent.assertEqual(result.last_hidden_state.shape, (self.batch_size, self.seq_length, self.hidden_size))
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def create_and_check_distilbert_for_masked_lm(
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self, config, input_ids, input_mask, sequence_labels, token_labels, choice_labels
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):
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model = DistilBertForMaskedLM(config=config)
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model.to(torch_device)
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model.eval()
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result = model(input_ids, attention_mask=input_mask, labels=token_labels)
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self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length, self.vocab_size))
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def create_and_check_distilbert_for_question_answering(
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self, config, input_ids, input_mask, sequence_labels, token_labels, choice_labels
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):
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model = DistilBertForQuestionAnswering(config=config)
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model.to(torch_device)
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model.eval()
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result = model(
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input_ids, attention_mask=input_mask, start_positions=sequence_labels, end_positions=sequence_labels
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)
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self.parent.assertEqual(result.start_logits.shape, (self.batch_size, self.seq_length))
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self.parent.assertEqual(result.end_logits.shape, (self.batch_size, self.seq_length))
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def create_and_check_distilbert_for_sequence_classification(
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self, config, input_ids, input_mask, sequence_labels, token_labels, choice_labels
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):
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config.num_labels = self.num_labels
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model = DistilBertForSequenceClassification(config)
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model.to(torch_device)
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model.eval()
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result = model(input_ids, attention_mask=input_mask, labels=sequence_labels)
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self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_labels))
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def create_and_check_distilbert_for_token_classification(
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self, config, input_ids, input_mask, sequence_labels, token_labels, choice_labels
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):
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config.num_labels = self.num_labels
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model = DistilBertForTokenClassification(config=config)
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model.to(torch_device)
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model.eval()
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result = model(input_ids, attention_mask=input_mask, labels=token_labels)
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self.parent.assertEqual(result.logits.shape, (self.batch_size, self.seq_length, self.num_labels))
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def create_and_check_distilbert_for_multiple_choice(
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self, config, input_ids, input_mask, sequence_labels, token_labels, choice_labels
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):
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config.num_choices = self.num_choices
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model = DistilBertForMultipleChoice(config=config)
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model.to(torch_device)
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model.eval()
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multiple_choice_inputs_ids = input_ids.unsqueeze(1).expand(-1, self.num_choices, -1).contiguous()
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multiple_choice_input_mask = input_mask.unsqueeze(1).expand(-1, self.num_choices, -1).contiguous()
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result = model(
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multiple_choice_inputs_ids,
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attention_mask=multiple_choice_input_mask,
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labels=choice_labels,
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)
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self.parent.assertEqual(result.logits.shape, (self.batch_size, self.num_choices))
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def prepare_config_and_inputs_for_common(self):
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config_and_inputs = self.prepare_config_and_inputs()
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(config, input_ids, input_mask, sequence_labels, token_labels, choice_labels) = config_and_inputs
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inputs_dict = {"input_ids": input_ids, "attention_mask": input_mask}
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return config, inputs_dict
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@require_torch
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class DistilBertModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase):
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all_model_classes = (
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(
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DistilBertModel,
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DistilBertForMaskedLM,
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DistilBertForMultipleChoice,
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DistilBertForQuestionAnswering,
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DistilBertForSequenceClassification,
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DistilBertForTokenClassification,
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)
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if is_torch_available()
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else None
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)
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pipeline_model_mapping = (
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{
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"feature-extraction": DistilBertModel,
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"fill-mask": DistilBertForMaskedLM,
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"question-answering": DistilBertForQuestionAnswering,
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"text-classification": DistilBertForSequenceClassification,
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"token-classification": DistilBertForTokenClassification,
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"zero-shot": DistilBertForSequenceClassification,
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}
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if is_torch_available()
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else {}
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)
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fx_compatible = True
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test_pruning = True
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test_resize_embeddings = True
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test_resize_position_embeddings = True
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def setUp(self):
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self.model_tester = DistilBertModelTester(self)
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self.config_tester = ConfigTester(self, config_class=DistilBertConfig, dim=37)
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def test_config(self):
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self.config_tester.run_common_tests()
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def test_distilbert_model(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_distilbert_model(*config_and_inputs)
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def test_distilbert_model_with_sinusoidal_encodings(self):
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config = DistilBertConfig(sinusoidal_pos_embds=True)
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model = DistilBertModel(config=config)
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sinusoidal_pos_embds = torch.empty((config.max_position_embeddings, config.dim), dtype=torch.float32)
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_create_sinusoidal_embeddings(config.max_position_embeddings, config.dim, sinusoidal_pos_embds)
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self.model_tester.parent.assertTrue(
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torch.equal(model.embeddings.position_embeddings.weight, sinusoidal_pos_embds)
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)
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def test_for_masked_lm(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_distilbert_for_masked_lm(*config_and_inputs)
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def test_for_question_answering(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_distilbert_for_question_answering(*config_and_inputs)
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def test_for_sequence_classification(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_distilbert_for_sequence_classification(*config_and_inputs)
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def test_for_token_classification(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_distilbert_for_token_classification(*config_and_inputs)
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def test_for_multiple_choice(self):
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config_and_inputs = self.model_tester.prepare_config_and_inputs()
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self.model_tester.create_and_check_distilbert_for_multiple_choice(*config_and_inputs)
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@slow
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def test_model_from_pretrained(self):
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model_name = "distilbert-base-uncased"
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model = DistilBertModel.from_pretrained(model_name)
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self.assertIsNotNone(model)
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@slow
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@require_torch_accelerator
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def test_torchscript_device_change(self):
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config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
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for model_class in self.all_model_classes:
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# BertForMultipleChoice behaves incorrectly in JIT environments.
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if model_class == DistilBertForMultipleChoice:
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return
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config.torchscript = True
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model = model_class(config=config)
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inputs_dict = self._prepare_for_class(inputs_dict, model_class)
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traced_model = torch.jit.trace(
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model, (inputs_dict["input_ids"].to("cpu"), inputs_dict["attention_mask"].to("cpu"))
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)
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with tempfile.TemporaryDirectory() as tmp:
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torch.jit.save(traced_model, os.path.join(tmp, "traced_model.pt"))
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loaded = torch.jit.load(os.path.join(tmp, "traced_model.pt"), map_location=torch_device)
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loaded(inputs_dict["input_ids"].to(torch_device), inputs_dict["attention_mask"].to(torch_device))
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# Because DistilBertForMultipleChoice requires inputs with different shapes we need to override this test.
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@require_flash_attn
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@require_torch_accelerator
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@pytest.mark.flash_attn_test
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@slow
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def test_flash_attn_2_inference_equivalence(self):
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import torch
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for model_class in self.all_model_classes:
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dummy_input = torch.LongTensor(
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[
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[1, 2, 3, 4],
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[1, 2, 8, 9],
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[1, 2, 11, 12],
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[1, 2, 13, 14],
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]
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).to(torch_device)
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dummy_attention_mask = torch.LongTensor(
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[
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[0, 1, 1, 1],
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[0, 1, 1, 1],
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[0, 1, 1, 1],
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[0, 1, 1, 1],
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]
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).to(torch_device)
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config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
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model = model_class(config)
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with tempfile.TemporaryDirectory() as tmpdirname:
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model.save_pretrained(tmpdirname)
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model_fa = model_class.from_pretrained(
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tmpdirname, torch_dtype=torch.bfloat16, attn_implementation="flash_attention_2"
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)
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model_fa.to(torch_device)
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model = model_class.from_pretrained(tmpdirname, torch_dtype=torch.bfloat16)
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model.to(torch_device)
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logits = model(dummy_input, output_hidden_states=True).hidden_states[-1]
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logits_fa = model_fa(dummy_input, output_hidden_states=True).hidden_states[-1]
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self.assertTrue(torch.allclose(logits_fa, logits, atol=4e-2, rtol=4e-2))
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output_fa = model_fa(dummy_input, attention_mask=dummy_attention_mask, output_hidden_states=True)
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logits_fa = output_fa.hidden_states[-1]
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output = model(dummy_input, attention_mask=dummy_attention_mask, output_hidden_states=True)
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logits = output.hidden_states[-1]
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self.assertTrue(torch.allclose(logits_fa[1:], logits[1:], atol=4e-2, rtol=4e-2))
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# Because DistilBertForMultipleChoice requires inputs with different shapes we need to override this test.
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@require_flash_attn
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@require_torch_accelerator
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@pytest.mark.flash_attn_test
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@slow
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def test_flash_attn_2_inference_equivalence_right_padding(self):
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import torch
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for model_class in self.all_model_classes:
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dummy_input = torch.LongTensor(
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[
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[1, 2, 3, 4],
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[1, 2, 8, 9],
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[1, 2, 11, 12],
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[1, 2, 13, 14],
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]
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).to(torch_device)
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dummy_attention_mask = torch.LongTensor(
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[
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[0, 1, 1, 1],
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[0, 1, 1, 1],
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[0, 1, 1, 1],
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[0, 1, 1, 1],
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]
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).to(torch_device)
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config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
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model = model_class(config)
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with tempfile.TemporaryDirectory() as tmpdirname:
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model.save_pretrained(tmpdirname)
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model_fa = model_class.from_pretrained(
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tmpdirname, torch_dtype=torch.bfloat16, attn_implementation="flash_attention_2"
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)
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model_fa.to(torch_device)
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model = model_class.from_pretrained(
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tmpdirname,
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torch_dtype=torch.bfloat16,
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)
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model.to(torch_device)
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logits = model(dummy_input, output_hidden_states=True).hidden_states[-1]
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logits_fa = model_fa(dummy_input, output_hidden_states=True).hidden_states[-1]
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self.assertTrue(torch.allclose(logits_fa, logits, atol=4e-2, rtol=4e-2))
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output_fa = model_fa(dummy_input, attention_mask=dummy_attention_mask, output_hidden_states=True)
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logits_fa = output_fa.hidden_states[-1]
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output = model(dummy_input, attention_mask=dummy_attention_mask, output_hidden_states=True)
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logits = output.hidden_states[-1]
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self.assertTrue(torch.allclose(logits_fa[:-1], logits[:-1], atol=4e-2, rtol=4e-2))
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@require_torch
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class DistilBertModelIntergrationTest(unittest.TestCase):
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@slow
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def test_inference_no_head_absolute_embedding(self):
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model = DistilBertModel.from_pretrained("distilbert-base-uncased")
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input_ids = torch.tensor([[0, 345, 232, 328, 740, 140, 1695, 69, 6078, 1588, 2]])
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attention_mask = torch.tensor([[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]])
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with torch.no_grad():
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output = model(input_ids, attention_mask=attention_mask)[0]
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expected_shape = torch.Size((1, 11, 768))
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self.assertEqual(output.shape, expected_shape)
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expected_slice = torch.tensor(
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[[[-0.1639, 0.3299, 0.1648], [-0.1746, 0.3289, 0.1710], [-0.1884, 0.3357, 0.1810]]]
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)
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self.assertTrue(torch.allclose(output[:, 1:4, 1:4], expected_slice, atol=1e-4))
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