diff --git a/tests/test_config.py b/tests/test_config.py
index 5c7d23d61c783..18f26082eaeb3 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,7 +1,7 @@
 import pytest
 
 from vllm.config import ModelConfig
-from vllm.model_executor.layers.pooler import (PoolingConfig, PoolingType)
+from vllm.model_executor.layers.pooler import PoolingConfig, PoolingType
 
 
 @pytest.mark.parametrize(("model_id", "expected_task"), [
diff --git a/vllm/config.py b/vllm/config.py
index dcc3d96c8fe1d..470295942a423 100644
--- a/vllm/config.py
+++ b/vllm/config.py
@@ -5,19 +5,19 @@
                     Mapping, Optional, Set, Tuple, Type, Union)
 
 import torch
-from transformers import PretrainedConfig
 
 import vllm.envs as envs
+from transformers import PretrainedConfig
 from vllm.logger import init_logger
-from vllm.model_executor.layers.quantization import QUANTIZATION_METHODS
 from vllm.model_executor.layers.pooler import PoolingConfig
+from vllm.model_executor.layers.quantization import QUANTIZATION_METHODS
 from vllm.model_executor.models import ModelRegistry
 from vllm.platforms import current_platform
 from vllm.tracing import is_otel_available, otel_import_error_traceback
 from vllm.transformers_utils.config import (ConfigFormat, get_config,
                                             get_hf_image_processor_config,
-                                            get_pooling_config,
-                                            get_hf_text_config)
+                                            get_hf_text_config,
+                                            get_pooling_config)
 from vllm.utils import (GiB_bytes, cuda_device_count_stateless, get_cpu_memory,
                         is_hip, is_openvino, is_xpu, print_warning_once)
 
diff --git a/vllm/model_executor/layers/pooler.py b/vllm/model_executor/layers/pooler.py
index a447d630e8f9f..d7cb111742836 100644
--- a/vllm/model_executor/layers/pooler.py
+++ b/vllm/model_executor/layers/pooler.py
@@ -1,5 +1,5 @@
-from enum import IntEnum
 from dataclasses import dataclass
+from enum import IntEnum
 
 import torch
 import torch.nn as nn
diff --git a/vllm/model_executor/model_loader/loader.py b/vllm/model_executor/model_loader/loader.py
index b70e9d96ffe76..dabb13f035735 100644
--- a/vllm/model_executor/model_loader/loader.py
+++ b/vllm/model_executor/model_loader/loader.py
@@ -18,9 +18,9 @@
 import torch
 from huggingface_hub import HfApi, hf_hub_download
 from torch import nn
-from transformers import AutoModelForCausalLM, PretrainedConfig
 from transformers.utils import SAFE_WEIGHTS_INDEX_NAME
 
+from transformers import AutoModelForCausalLM, PretrainedConfig
 from vllm.config import (CacheConfig, DeviceConfig, LoadConfig, LoadFormat,
                          LoRAConfig, ModelConfig, MultiModalConfig,
                          ParallelConfig, SchedulerConfig)
@@ -28,9 +28,9 @@
                               get_tensor_model_parallel_world_size)
 from vllm.envs import VLLM_USE_MODELSCOPE
 from vllm.logger import init_logger
+from vllm.model_executor.layers.pooler import PoolingConfig
 from vllm.model_executor.layers.quantization.base_config import (
     QuantizationConfig)
-from vllm.model_executor.layers.pooler import PoolingConfig
 from vllm.model_executor.model_loader.tensorizer import (
     TensorizerConfig, is_vllm_tensorized, load_with_tensorizer,
     serialize_vllm_model, tensorizer_weights_iterator)