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* rm test_sdpa_equivalence * make fixup --------- Co-authored-by: Yih-Dar <2521628+ydshieh@users.noreply.github.com>
212 lines
8.0 KiB
Python
212 lines
8.0 KiB
Python
# Copyright 2024 HuggingFace Inc. team. All rights reserved.
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# Copyright (c) 2024, NVIDIA CORPORATION. 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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"""Testing suite for the PyTorch Nemotron model."""
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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 NemotronConfig, is_torch_available
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from transformers.testing_utils import (
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Expectations,
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is_flaky,
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require_flash_attn,
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require_read_token,
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require_torch,
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require_torch_accelerator,
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require_torch_gpu,
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slow,
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torch_device,
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)
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from ...models.gemma.test_modeling_gemma import GemmaModelTest, GemmaModelTester
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from ...test_configuration_common import ConfigTester
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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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AutoTokenizer,
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NemotronForCausalLM,
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NemotronForQuestionAnswering,
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NemotronForSequenceClassification,
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NemotronForTokenClassification,
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NemotronModel,
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)
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class NemotronModelTester(GemmaModelTester):
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if is_torch_available():
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config_class = NemotronConfig
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model_class = NemotronModel
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for_causal_lm_class = NemotronForCausalLM
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for_sequence_class = NemotronForSequenceClassification
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for_token_class = NemotronForTokenClassification
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@require_torch
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class NemotronModelTest(GemmaModelTest):
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# Need to use `0.8` instead of `0.9` for `test_cpu_offload`
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# This is because we are hitting edge cases with the causal_mask buffer
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model_split_percents = [0.5, 0.7, 0.8]
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all_model_classes = (
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(
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NemotronModel,
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NemotronForCausalLM,
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NemotronForSequenceClassification,
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NemotronForQuestionAnswering,
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NemotronForTokenClassification,
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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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pipeline_model_mapping = (
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{
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"feature-extraction": NemotronModel,
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"text-classification": NemotronForSequenceClassification,
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"text-generation": NemotronForCausalLM,
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"zero-shot": NemotronForSequenceClassification,
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"question-answering": NemotronForQuestionAnswering,
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"token-classification": NemotronForTokenClassification,
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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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test_headmasking = False
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test_pruning = False
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fx_compatible = False
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# used in `test_torch_compile_for_training`
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_torch_compile_train_cls = NemotronForCausalLM if is_torch_available() else None
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def setUp(self):
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self.model_tester = NemotronModelTester(self)
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self.config_tester = ConfigTester(self, config_class=NemotronConfig, hidden_size=37)
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@unittest.skip("Eager and SDPA do not produce the same outputs, thus this test fails")
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def test_model_outputs_equivalence(self, **kwargs):
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pass
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@require_flash_attn
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@require_torch_gpu
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@pytest.mark.flash_attn_test
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@is_flaky()
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@slow
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def test_flash_attn_2_equivalence(self):
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for model_class in self.all_model_classes:
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if not model_class._supports_flash_attn_2:
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self.skipTest(reason="Model does not support Flash Attention 2")
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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.float16, 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.float16, attn_implementation="eager")
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model.to(torch_device)
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dummy_input = inputs_dict[model_class.main_input_name]
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dummy_input = dummy_input.to(torch_device)
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outputs = model(dummy_input, output_hidden_states=True)
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outputs_fa = model_fa(dummy_input, output_hidden_states=True)
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logits = outputs.hidden_states[-1]
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logits_fa = outputs_fa.hidden_states[-1]
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# nemotron flash attention 2 needs a high tolerance
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assert torch.allclose(logits_fa, logits, atol=1e-2)
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@require_torch_accelerator
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class NemotronIntegrationTest(unittest.TestCase):
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# This variable is used to determine which CUDA device are we using for our runners (A10 or T4)
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# Depending on the hardware we get different logits / generations
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cuda_compute_capability_major_version = None
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@classmethod
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def setUpClass(cls):
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if is_torch_available() and torch.cuda.is_available():
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# 8 is for A100 / A10 and 7 for T4
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cls.cuda_compute_capability_major_version = torch.cuda.get_device_capability()[0]
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@slow
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@require_read_token
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def test_nemotron_8b_generation_sdpa(self):
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text = ["What is the largest planet in solar system?"]
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EXPECTED_TEXT = [
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"What is the largest planet in solar system?\nAnswer: Jupiter\n\nWhat is the answer",
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]
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model_id = "thhaus/nemotron3-8b"
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model = NemotronForCausalLM.from_pretrained(
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model_id, torch_dtype=torch.float16, device_map="auto", attn_implementation="sdpa"
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)
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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inputs = tokenizer(text, return_tensors="pt").to(torch_device)
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output = model.generate(**inputs, do_sample=False, max_new_tokens=10)
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output_text = tokenizer.batch_decode(output, skip_special_tokens=True)
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self.assertEqual(EXPECTED_TEXT, output_text)
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@slow
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@require_read_token
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def test_nemotron_8b_generation_eager(self):
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text = ["What is the largest planet in solar system?"]
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EXPECTED_TEXTS = Expectations(
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{
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("xpu", 3): [
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"What is the largest planet in solar system?\nAnswer: Jupiter\n\nWhat is the answer: What is the name of the 19",
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],
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("cuda", 7): [
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"What is the largest planet in solar system?\nAnswer: Jupiter\n\nWhat is the answer",
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],
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}
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)
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EXPECTED_TEXT = EXPECTED_TEXTS.get_expectation()
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model_id = "thhaus/nemotron3-8b"
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model = NemotronForCausalLM.from_pretrained(
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model_id, torch_dtype=torch.float16, device_map="auto", attn_implementation="eager"
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)
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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inputs = tokenizer(text, return_tensors="pt").to(torch_device)
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output = model.generate(**inputs, do_sample=False)
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output_text = tokenizer.batch_decode(output, skip_special_tokens=True)
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self.assertEqual(EXPECTED_TEXT, output_text)
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@slow
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@require_read_token
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def test_nemotron_8b_generation_fa2(self):
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text = ["What is the largest planet in solar system?"]
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EXPECTED_TEXT = [
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"What is the largest planet in solar system?\nAnswer: Jupiter\n\nWhat is the answer",
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]
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model_id = "thhaus/nemotron3-8b"
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model = NemotronForCausalLM.from_pretrained(
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model_id, torch_dtype=torch.float16, device_map="auto", attn_implementation="flash_attention_2"
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)
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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inputs = tokenizer(text, return_tensors="pt").to(torch_device)
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output = model.generate(**inputs, do_sample=False)
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output_text = tokenizer.batch_decode(output, skip_special_tokens=True)
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self.assertEqual(EXPECTED_TEXT, output_text)
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