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

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

vllm/model_executor/__init__.py

@@ -1,8 +1,7 @@
 # SPDX-License-Identifier: Apache-2.0
 # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
-from vllm.model_executor.parameter import (BasevLLMParameter,
-                                           PackedvLLMParameter)
+from vllm.model_executor.parameter import BasevLLMParameter, PackedvLLMParameter
 from vllm.model_executor.utils import set_random_seed
 
 __all__ = [