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

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

vllm/model_executor/models/ernie45.py

@@ -22,6 +22,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 """Inference-only Erine model compatible with HuggingFace weights."""
+
 from vllm.config import VllmConfig
 from vllm.model_executor.models.llama import LlamaForCausalLM
 
@@ -29,7 +30,6 @@ from .utils import PPMissingLayer
 
 
 class Ernie4_5ForCausalLM(LlamaForCausalLM):
-
     def __init__(self, *, vllm_config: VllmConfig, prefix: str = ""):
         super().__init__(vllm_config=vllm_config, prefix=prefix)
         # Hack Llama model to fit HF format Ernie4.5 dense implementation