ruff: remove unused imports

tests/distributed/test_utils.py

@@ -1,7 +1,7 @@
 import ray
 
 import vllm.envs as envs
-from vllm.utils import (cuda_device_count_stateless, is_hip,
+from vllm.utils import (cuda_device_count_stateless,
                         update_environment_variables)
 
 

vllm/config.py

@@ -6,15 +6,14 @@
 import torch
 from transformers import PretrainedConfig
 
-import vllm.envs as envs
 from vllm.logger import init_logger
 from vllm.model_executor.layers.quantization import QUANTIZATION_METHODS
 from vllm.model_executor.models import ModelRegistry
 from vllm.tracing import is_otel_installed
 from vllm.transformers_utils.config import get_config, get_hf_text_config
 from vllm.utils import (cuda_device_count_stateless, get_cpu_memory, is_cpu,
                         is_hip, is_neuron, is_openvino, is_tpu, is_xpu,
-                        print_warning_once, update_environment_variables)
+                        print_warning_once)
 
 if TYPE_CHECKING:
     from ray.util.placement_group import PlacementGroup

vllm/worker/worker_base.py

@@ -11,7 +11,7 @@
 from vllm.lora.request import LoRARequest
 from vllm.sequence import (ExecuteModelRequest, IntermediateTensors,
                            SamplerOutput)
-from vllm.utils import (enable_trace_function_call_for_thread, is_hip,
+from vllm.utils import (enable_trace_function_call_for_thread,
                         update_environment_variables)
 from vllm.worker.model_runner_base import ModelRunnerBase, ModelRunnerInputBase