Convert formatting to use ruff instead of yapf + isort (#26247)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

tests/model_executor/model_loader/test_registry.py

@@ -6,22 +6,19 @@ from torch import nn
 
 from vllm.config import ModelConfig
 from vllm.config.load import LoadConfig
-from vllm.model_executor.model_loader import (get_model_loader,
-                                              register_model_loader)
+from vllm.model_executor.model_loader import get_model_loader, register_model_loader
 from vllm.model_executor.model_loader.base_loader import BaseModelLoader
 
 
 @register_model_loader("custom_load_format")
 class CustomModelLoader(BaseModelLoader):
-
     def __init__(self, load_config: LoadConfig) -> None:
         super().__init__(load_config)
 
     def download_model(self, model_config: ModelConfig) -> None:
         pass
 
-    def load_weights(self, model: nn.Module,
-                     model_config: ModelConfig) -> None:
+    def load_weights(self, model: nn.Module, model_config: ModelConfig) -> None:
         pass